You are given a code:

def main_solution(x):
    return ('orxa' + 'owpa')

Can you predict the output of `main_solution("dmxgrqrns")` 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": "dmxgrqrns"}, "ref_output": "orxaowpa", "ref_code": "def main_solution(x):\n    return ('orxa' + 'owpa')", "funcname": "main_solution"}
rule