You are given a code:

def main_solution(x):
    return func_5('xnegq', 'nrid')

Can you predict the output of `main_solution("ikhscmkf")` 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": "ikhscmkf"}, "ref_output": "nridxnegq", "ref_code": "def main_solution(x):\n    return func_5('xnegq', 'nrid')", "funcname": "main_solution"}
rule