Using CC1(C)C(=O)Nc2cc(N)ccc21, Clc1cccnc1N1CCc2c(Cl)ncnc2C1 to produce CC1(C)C(=O)Nc2cc(Nc3ncnc4c3CCN(c3ncccc3Cl)C4)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.