You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 9-(4-fluorophenyl)sulfonyl-N-[(4-methylphenyl)methyl]-1,4,9-triazaspiro[5.5]undec-4-en-5-amine;hydrochloride into molecular formula.
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C22H28ClFN4O2S
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