You are given a code:

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

Can you predict the output of `main_solution("bcyry")` 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": "bcyry"}, "ref_output": "f\u00abcba\u00bbx\u00abccj\u00bbw\u00abnyr\u00bbt\u00abr\u00bb\u00aby\u00bb", "ref_code": "def main_solution(x):\n    return func_20(('fcax' + 'cjwnrt'), func_15(x))", "funcname": "main_solution"}
rule