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 2-methylpropyl N-[(2S)-1-[(3S)-3-formyl-6,10-dithia-2-azaspiro[4.5]decan-2-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate is given. What is its corresponding molecular formula?
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C19H32N2O4S2
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