You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6-chloro-7-methyl-2-oxochromen-4-yl)methyl 3-(cyclohexylsulfanylmethyl)-1-benzofuran-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H25ClO5S
assistant