Using CC(C)(C)OC(=O)N1CCN(c2ccc(C3CCN(C(C)(C)C)CC3)cn2)c2ccccc21 to produce CC(C)(C)N1CCC(c2ccc(N3CCNc4ccccc43)nc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.