You are given a code:

def main_solution(x):
    return func_20(('svaap' + 'jsb'), func_15('liqr'))

Can you predict the output of `main_solution("qcsitlnk")` 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": "qcsitlnk"}, "ref_output": "s\u00abvla\u00bba\u00abpij\u00bbs\u00abbq\u00bb\u00abr\u00bb", "ref_code": "def main_solution(x):\n    return func_20(('svaap' + 'jsb'), func_15('liqr'))", "funcname": "main_solution"}
rule