Using CCOC(=O)Cn1c(=O)c(=O)[nH]c2ccc(N)cc21, CC(=O)OC(C)=O to produce CCOC(=O)Cn1c(=O)c(=O)[nH]c2ccc(NC(C)=O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.