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-[[(2-chlorophenyl)-(3-cyanophenyl)methyl]-methylamino]-5-methoxy-1-methyl-6-oxopyrimidine-4-carboxylic acid ?
user
C22H19ClN4O4
assistant