You are given a code:

def main_solution(x):
    return func_20((x + x), func_15('hubx'))

Can you predict the output of `main_solution("hscspxlxx")` 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": "hscspxlxx"}, "ref_output": "h\u00abshc\u00bbs\u00abpux\u00bbl\u00abxbx\u00bbh\u00absxc\u00bbspxlxx", "ref_code": "def main_solution(x):\n    return func_20((x + x), func_15('hubx'))", "funcname": "main_solution"}
rule