You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-cyclopentyl-2-[(2,6-dichlorophenyl)methyl-[2-[N-(dimethylsulfamoyl)-2,5-dimethylanilino]acetyl]amino]butanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H38Cl2N4O4S
assistant