Using CC(=O)OC(C)=O, COc1cc(Cl)c(-n2c(=O)[nH]c3c(OC)nc(CN)nc32)cc1OCc1c(F)cccc1OC to produce COc1cc(Cl)c(-n2c(=O)[nH]c3c(OC)nc(CNC(C)=O)nc32)cc1OCc1c(F)cccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.