You are given a code:

def main_solution(x):
    return ('bjjlrj' + 'tnpsk')

Can you predict the output of `main_solution("qmyginxn")` 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": "qmyginxn"}, "ref_output": "bjjlrjtnpsk", "ref_code": "def main_solution(x):\n    return ('bjjlrj' + 'tnpsk')", "funcname": "main_solution"}
rule