You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-(2,3-dihydro-1H-inden-2-yl)-4-(2-methylpropyl)-1,3-thiazol-5-yl]-N-methylmethanamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H24N2S
assistant