You are given a code:

def main_solution(x):
    return func_20(func_9(x), func_15('nhzfmj'))

Can you predict the output of `main_solution("ittkpqjzw")` 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": "ittkpqjzw"}, "ref_output": "i\u00abtnt\u00bbk\u00abphq\u00bbj\u00abzzw\u00bbw\u00abzfj\u00bbq\u00abpmk\u00bbt\u00abtji\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_9(x), func_15('nhzfmj'))", "funcname": "main_solution"}
rule