You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-O-benzyl 4-O-ethyl 5-[2-[(4-fluorophenyl)sulfonylamino]butanoylamino]-3-methylthiophene-2,4-dicarboxylate ?
user
C26H27FN2O7S2
assistant