Using CC(=O)OC(C)=O, COC(=O)c1ccc(Cn2c(CCCN)nc3ccccc32)cc1 to produce COC(=O)c1ccc(Cn2c(CCCNC(C)=O)nc3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.