error CS1525: Unexpected symbol `}'

I want the player to destroy a box when they press the down arrow key but I keep getting this error. Here is my code

using UnityEngine; using
System.Collections;

public class Destroybox :
MonoBehaviour {

class destroyObjectScript {

void Update() {
if(Input.GetKeyDown(“down”) {
Destroy(gameObject);
} }

} }

You’re missing a closing parenthesis in the if statement…

if(Input.GetKeyDown(“down”) <—