You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(6,7-dihydro-4H-thieno[3,2-c]thiopyran-2-yl)-N-methyl-1-(5-oxaspiro[3.5]nonan-8-yl)methanamine ?
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C17H25NOS2
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