You are given a code:

def main_solution(x):
    return func_5('yusc', 'cfy')

Can you predict the output of `main_solution("cquh")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "cquh"}, "ref_output": "cfyyusc", "ref_code": "def main_solution(x):\n    return func_5('yusc', 'cfy')", "funcname": "main_solution"}
rule