You are given a code:

def main_solution(x):
    return ('eyruyl' + 'emdpkc')

Can you predict the output of `main_solution("xozndjo")` 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": "xozndjo"}, "ref_output": "eyruylemdpkc", "ref_code": "def main_solution(x):\n    return ('eyruyl' + 'emdpkc')", "funcname": "main_solution"}
rule