You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4S)-N-(3-butan-2-yloxyphenyl)-4-propan-2-yl-4,5-dihydro-1,3-thiazol-2-amine by IUPAC nomenclature, provide its molecular formula.
user
C16H24N2OS
assistant