You are given a code:

def main_solution(x):
    return func_5('gtvs', 'jxr')

Can you predict the output of `main_solution("rmfjiguco")` 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": "rmfjiguco"}, "ref_output": "jxrgtvs", "ref_code": "def main_solution(x):\n    return func_5('gtvs', 'jxr')", "funcname": "main_solution"}
rule