You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [1-(2,4-dichloroanilino)-1-oxobutan-2-yl] 2-(4-methoxyphenyl)-3H-benzimidazole-5-carboxylate .
user
C25H21Cl2N3O4
assistant