You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methyl-1-methylsulfanyl-3-[[1-(pyridin-3-ylmethyl)piperidin-4-yl]amino]propan-2-ol by IUPAC nomenclature, provide its molecular formula.
user
C16H27N3OS
assistant