You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methyl-N-[[6-[(2-methylthiomorpholin-4-yl)methyl]pyridin-2-yl]methyl]propan-2-amine by IUPAC nomenclature, provide its molecular formula.
user
C16H27N3S
assistant