You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,6S)-6-[[4-(4-butylphenyl)-1,3-thiazol-2-yl]carbamoyl]cyclohex-3-ene-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H23N2O3S-
assistant