You are given a code:

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

Can you predict the output of `main_solution("wegejcmw")` 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": "wegejcmw"}, "ref_output": "w\u00abefg\u00bbe\u00abjlc\u00bbm\u00abwe\u00bb\u00abf\u00bb\u00abj\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_22(x), func_15('flefj'))", "funcname": "main_solution"}
rule