You are given a code:

def main_solution(x):
    return ('nxaux' + 'cbcvy')

Can you predict the output of `main_solution("qstipncxp")` 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": "qstipncxp"}, "ref_output": "nxauxcbcvy", "ref_code": "def main_solution(x):\n    return ('nxaux' + 'cbcvy')", "funcname": "main_solution"}
rule