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-[(4-ethoxy-4-oxobutyl)amino]-2-oxoethyl] 5-chloro-1-[(2-chlorophenyl)methyl]-3-methylpyrazole-4-carboxylate ?
user
C20H23Cl2N3O5
assistant