You are given a code:

def main_solution(x):
    return func_17(func_5('cptcch', 'exv'))

Can you predict the output of `main_solution("ojdqa")` 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": "ojdqa"}, "ref_output": "hcctpcvxe", "ref_code": "def main_solution(x):\n    return func_17(func_5('cptcch', 'exv'))", "funcname": "main_solution"}
rule