You are given a code:

def main_solution(x):
    return ('yqhwt' + 'iiwg')

Can you predict the output of `main_solution("cahtciie")` 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": "cahtciie"}, "ref_output": "yqhwtiiwg", "ref_code": "def main_solution(x):\n    return ('yqhwt' + 'iiwg')", "funcname": "main_solution"}
rule