You are given a code:

def main_solution(x):
    return func_5('glx', 'rqvj')

Can you predict the output of `main_solution("zywtv")` 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": "zywtv"}, "ref_output": "rqvjglx", "ref_code": "def main_solution(x):\n    return func_5('glx', 'rqvj')", "funcname": "main_solution"}
rule