You are given a code:

def main_solution(x):
    return func_13(('cvdymv' + 'obuqs'), '|')

Can you predict the output of `main_solution("zrsocz")` 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": "zrsocz"}, "ref_output": "c|v|d|y|m|v|o|b|u|q|s", "ref_code": "def main_solution(x):\n    return func_13(('cvdymv' + 'obuqs'), '|')", "funcname": "main_solution"}
rule