You are given a code:

def main_solution(x):
    return func_5('vsfgif', 'aaz')

Can you predict the output of `main_solution("agopuq")` 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": "agopuq"}, "ref_output": "aazvsfgif", "ref_code": "def main_solution(x):\n    return func_5('vsfgif', 'aaz')", "funcname": "main_solution"}
rule