You are given a code:

def main_solution(x):
    return func_20(('rdsvwy' + 'namicq'), func_15('cuht'))

Can you predict the output of `main_solution("hjgvkozttj")` 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": "hjgvkozttj"}, "ref_output": "r\u00abdcs\u00bbv\u00abwuy\u00bbn\u00abahm\u00bbi\u00abctq\u00bb", "ref_code": "def main_solution(x):\n    return func_20(('rdsvwy' + 'namicq'), func_15('cuht'))", "funcname": "main_solution"}
rule