Using CC(C)(C)OC(=O)N1CC=C(c2nccnc2OC2CN(c3ccc4ccccc4n3)C2)CC1 to produce CC(C)(C)OC(=O)N1CCC(c2nccnc2OC2CN(c3ccc4ccccc4n3)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.