You are given a code:

def main_solution(x):
    return func_22(('vbzzy' + 'mygczc'))

Can you predict the output of `main_solution("emury")` 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": "emury"}, "ref_output": "vbzzymygcz", "ref_code": "def main_solution(x):\n    return func_22(('vbzzy' + 'mygczc'))", "funcname": "main_solution"}
rule