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,3S,4R)-1-hexanoyl-4-hydroxy-4-methyl-2-thiophen-2-ylpiperidin-3-yl]-2-methoxyacetamide ?
user
C19H30N2O4S
assistant