Using CC(=O)OC(C)=O, CCCCc1nc(CN)nn1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1 to produce CCCCc1nc(CNC(C)=O)nn1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.