#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N=1e5+10;
int i,t,n,cnt,top;
char ch,s[N];
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(nullptr);
	cout.tie(nullptr);
	cin>>t;
	while(t--)
	{
		top=0,cnt=0;
		cin>>n;
		for(i=1;i<=n;i++)
		{
			cin>>ch;
			if(ch==')'&&s[top]=='(')
			{
				--top;
				continue;
			}
			else if(ch=='('&&s[top]==')'&&!cnt){
				--top;++cnt;
				continue;
			}
			s[++top]=ch;
		}
		if(top) puts("No");
		else puts("Yes");
	}
	return 0;
}