Using CC(C)(C)OC(=O)N1CCC(C=O)CC1, Nc1n[nH]c2ccnc(Oc3ccccc3)c12 to produce CC(C)(C)OC(=O)N1CCC(CNc2n[nH]c3ccnc(Oc4ccccc4)c23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.