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-[[(2S,3R,4S)-1-acetyl-4-(hydroxymethyl)-3-phenylazetidin-2-yl]methyl]-2-morpholin-4-ylacetamide ?
user
C19H27N3O4
assistant