problem with converting js to c#

Hi, i try join this js:

#pragma strict

var animator: Animator;

function Start () {
	animator = GetComponent("Animator");
}

function Update () {
	if(Input.GetKey(KeyCode.W)){
		animator.SetBool("stop", false);
		animator.SetBool("stop2", false);
	}
	else{
		animator.SetBool("stop", true);
		animator.SetBool("stop2", true);
	}
}

to this c# script:

using System.Collections;

public class BotAiScript : MonoBehaviour {

	public Transform target;
	public Transform enemyTransform;
	public Animator animator;
	public float rotationSpeed=10f;
	public float MinDist;
	public float MaxDist;
	public float speed;
	public float maxspeed;
	public float accelerate;
	Vector3 upAxis = new Vector3 (0f, 0f, -1f);
	
	void Start () {
		animator = GetComponent("Animator");
	}
	
	void Update(){
		//rotate to look at the player
		
		transform.LookAt(target.position);
		transform.Rotate(new Vector3(0,-90,-90),Space.Self);//correcting the original rotation
		
		//move towards the player

		if (Vector3.Distance (enemyTransform.position, target.position) >= MinDist) {
			rigidbody2D.velocity = transform.up * speed * Time.deltaTime;
			animator.SetBool("stop", false);
			animator.SetBool("stop2", false);
			if(speed < maxspeed) {
				speed += accelerate;
			}
		}
		if(Vector3.Distance (enemyTransform.position, target.position) <= MinDist && Vector3.Distance(enemyTransform.position,target.position) >= MaxDist) {
			animator.SetBool("stop", true);
			animator.SetBool("stop2", true);
			if(speed > 0) {
				speed -= accelerate;
			}
			else{
				speed += accelerate;
			}
		}
		if(Vector3.Distance(enemyTransform.position,target.position) <= MaxDist) {
			rigidbody2D.velocity = transform.up * speed * Time.deltaTime;
			if(speed > -400) {
				speed -= accelerate * 5;
			}
		}
	}	
}

but it write: (18,17): error CS0266: Cannot implicitly convert type UnityEngine.Component' to UnityEngine.Animator’. An explicit conversion exists (are you missing a cast?)

i dont know how to translate it to c# thx.

Try :

void Start () {
       animator = (Animator)GetComponent("Animator");
    }

Try :

 animator = GetComponent<"Animator"> ();