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 (4aR,6S,8aR)-N-[(3-chloro-1-benzothiophen-2-yl)methyl]-N-methyl-3,4,4a,5,6,7,8,8a-octahydro-2H-benzo[b][1,4]oxazine-6-carboxamide;hydrochloride is given. What is its corresponding molecular formula?
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C19H24Cl2N2O2S
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