You are given a code:

def main_solution(x):
    return func_20(func_1(x, 3), func_15('ytwfe'))

Can you predict the output of `main_solution("ismbpqq")` 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": "ismbpqq"}, "ref_output": "i\u00absym\u00bbb\u00abptq\u00bbq\u00abiws\u00bbm\u00abbfp\u00bbq\u00abqei\u00bbsmbpqq", "ref_code": "def main_solution(x):\n    return func_20(func_1(x, 3), func_15('ytwfe'))", "funcname": "main_solution"}
rule