You are given a code:

def main_solution(x):
    return ('qrqokz' + 'bof')

Can you predict the output of `main_solution("lirgmtqa")` 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": "lirgmtqa"}, "ref_output": "qrqokzbof", "ref_code": "def main_solution(x):\n    return ('qrqokz' + 'bof')", "funcname": "main_solution"}
rule