You are given a code:

def main_solution(x):
    return func_5(('nbfmpm' + x), 'ipi')

Can you predict the output of `main_solution("cxkuswqhs")` 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": "cxkuswqhs"}, "ref_output": "ipinbfmpmcxkuswqhs", "ref_code": "def main_solution(x):\n    return func_5(('nbfmpm' + x), 'ipi')", "funcname": "main_solution"}
rule