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 3-acetyl-5-[[5-chloro-4-[(2,4-difluorophenyl)methoxy]-6-oxopyrimidin-1-yl]methyl]-1-(2-hydroxy-2-methylpropanoyl)benzimidazol-2-one .
user
C25H21ClF2N4O6
assistant