Using OB(O)c1ccc(Cl)cc1Cl, CCc1ncccc1C(=O)Nc1c(Cl)ncnc1NC1CC1 to produce CCc1ncccc1C(=O)Nc1c(NC2CC2)ncnc1-c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.