Using CC(N)CCc1ccc(Oc2ccc(OC(C)C)nc2)cc1, O=C(O)CO to produce CC(CCc1ccc(Oc2ccc(OC(C)C)nc2)cc1)NC(=O)CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.