You are given a code:

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

Can you predict the output of `main_solution("bjqahqtt")` 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": "bjqahqtt"}, "ref_output": "b\u00abjbq\u00bba\u00abhjq\u00bbt\u00abtqy\u00bbx\u00absal\u00bbm\u00abh\u00bb\u00abq\u00bb\u00abt\u00bb\u00abt\u00bb", "ref_code": "def main_solution(x):\n    return func_20((x + 'yxslm'), func_15(x))", "funcname": "main_solution"}
rule