You are given a code:

def main_solution(x):
    return func_20((x + 'vbdsd'), func_15('ejtn'))

Can you predict the output of `main_solution("cwiwjwqq")` 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": "cwiwjwqq"}, "ref_output": "c\u00abwei\u00bbw\u00abjjw\u00bbq\u00abqtv\u00bbb\u00abdns\u00bbd", "ref_code": "def main_solution(x):\n    return func_20((x + 'vbdsd'), func_15('ejtn'))", "funcname": "main_solution"}
rule