You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(3,5-dichloro-4-pentoxybenzoyl)amino]-N-(2-phenylethyl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H30Cl2N2O3S
assistant