You are given a code:

def main_solution(x):
    return ('aymil' + 'wqeggv')

Can you predict the output of `main_solution("jmvxejw")` 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": "jmvxejw"}, "ref_output": "aymilwqeggv", "ref_code": "def main_solution(x):\n    return ('aymil' + 'wqeggv')", "funcname": "main_solution"}
rule