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-[(1S)-1-(2,3-dihydro-1H-inden-5-yl)ethyl]-2-(4-methyl-2-methylsulfanyl-6-oxo-1H-pyrimidin-5-yl)acetamide ?
user
C19H23N3O2S
assistant