You are given a code:

def main_solution(x):
    return ('uxnl' + 'ysxqy')

Can you predict the output of `main_solution("jxcgzs")` 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": "jxcgzs"}, "ref_output": "uxnlysxqy", "ref_code": "def main_solution(x):\n    return ('uxnl' + 'ysxqy')", "funcname": "main_solution"}
rule