You are given a code:

def main_solution(x):
    return func_20(func_22(x), func_15('ddmwpj'))

Can you predict the output of `main_solution("fjanicoz")` 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": "fjanicoz"}, "ref_output": "f\u00abjda\u00bbn\u00abidc\u00bbo\u00abzm\u00bb\u00abw\u00bb\u00abp\u00bb\u00abj\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_22(x), func_15('ddmwpj'))", "funcname": "main_solution"}
rule