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 N-[(2R)-3-(3-aminopropylsulfanyl)-1-[4-(2-chloroethyl)piperidin-1-yl]-1-oxopropan-2-yl]acetamide ?
user
C15H28ClN3O2S
assistant