You are given a code:

def main_solution(x):
    return func_5('zbbube', 'qhpj')

Can you predict the output of `main_solution("abzc")` 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": "abzc"}, "ref_output": "qhpjzbbube", "ref_code": "def main_solution(x):\n    return func_5('zbbube', 'qhpj')", "funcname": "main_solution"}
rule