You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-(cyclopentylamino)-1-oxopropan-2-yl] 2-(4-methylphenyl)-1,3-thiazole-4-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H22N2O3S
assistant