You are given a code:

def main_solution(x):
    return func_5('tgw', 'cg')

Can you predict the output of `main_solution("gxhixc")` 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": "gxhixc"}, "ref_output": "cgtgw", "ref_code": "def main_solution(x):\n    return func_5('tgw', 'cg')", "funcname": "main_solution"}
rule