You are given a code:

def main_solution(x):
    return (('kjbj' + 'uozals') + func_15('ixsr'))

Can you predict the output of `main_solution("lep")` 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": "lep"}, "ref_output": "kjbjuozals\u00abi\u00bb\u00abx\u00bb\u00abs\u00bb\u00abr\u00bb", "ref_code": "def main_solution(x):\n    return (('kjbj' + 'uozals') + func_15('ixsr'))", "funcname": "main_solution"}
rule