You are given a code:

def main_solution(x):
    return func_5(func_3('keox'), 'uh')

Can you predict the output of `main_solution("stwskmrcht")` 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": "stwskmrcht"}, "ref_output": "uhekox", "ref_code": "def main_solution(x):\n    return func_5(func_3('keox'), 'uh')", "funcname": "main_solution"}
rule