You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 7-[(E)-2-(5-chlorothiophen-2-yl)ethenyl]sulfonyl-8a-(methoxymethyl)-1-methyl-1'-pyridin-4-ylspiro[6,8-dihydro-3H-imidazo[1,2-a]pyrazine-2,4'-piperidine]-5-one is given. What is its corresponding molecular formula?
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C24H30ClN5O4S2
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