You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [2-[cyclopropyl-[(3S)-1,1-dioxothiolan-3-yl]amino]-2-oxoethyl] 2-(3,4-dimethylphenyl)acetate into molecular formula.
user
C19H25NO5S
assistant