You are given a code:

def main_solution(x):
    return func_1('obomhe', 4)

Can you predict the output of `main_solution("xqgzzrb")` 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": "xqgzzrb"}, "ref_output": "obomheobomheobomheobomhe", "ref_code": "def main_solution(x):\n    return func_1('obomhe', 4)", "funcname": "main_solution"}
rule