You are given a code:

def main_solution(x):
    return func_9('jrc')

Can you predict the output of `main_solution("guuurdvnl")` 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": "guuurdvnl"}, "ref_output": "jrccrj", "ref_code": "def main_solution(x):\n    return func_9('jrc')", "funcname": "main_solution"}
rule