You are given a code:

def main_solution(x):
    return func_17('nluc')

Can you predict the output of `main_solution("jbenztlfhz")` 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": "jbenztlfhz"}, "ref_output": "culn", "ref_code": "def main_solution(x):\n    return func_17('nluc')", "funcname": "main_solution"}
rule