You are given a code:

def main_solution(x):
    return func_20(func_15(x), func_1('jtewsg', 4))

Can you predict the output of `main_solution("rpqe")` 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": "rpqe"}, "ref_output": "\u00abjrt\u00bbe\u00abwps\u00bbg\u00abjqt\u00bbe\u00abwes\u00bbgjtewsgjtewsg", "ref_code": "def main_solution(x):\n    return func_20(func_15(x), func_1('jtewsg', 4))", "funcname": "main_solution"}
rule