You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 2-[[2-[2-[[6-chloro-3-(2-ethoxy-2-oxoethyl)-1,3-benzothiazol-2-ylidene]amino]-2-oxoethyl]sulfonylacetyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H26ClN3O8S3
assistant