You are given a code:

def main_solution(x):
    return ('ibqs' + 'tnkhws')

Can you predict the output of `main_solution("jvnrwuaq")` 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": "jvnrwuaq"}, "ref_output": "ibqstnkhws", "ref_code": "def main_solution(x):\n    return ('ibqs' + 'tnkhws')", "funcname": "main_solution"}
rule