You are given a code:

def main_solution(x):
    return func_3(func_20('cnlrjm', 'ijn'))

Can you predict the output of `main_solution("zpqsmrc")` 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": "zpqsmrc"}, "ref_output": "cijjlmnnr", "ref_code": "def main_solution(x):\n    return func_3(func_20('cnlrjm', 'ijn'))", "funcname": "main_solution"}
rule