Using CC(C)(C)OC(=O)N1CCN(c2ccc(Nc3cc(Cl)cn4ccnc34)nc2)CC1 to produce Clc1cc(Nc2ccc(N3CCNCC3)cn2)c2nccn2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.