Using OB(O)c1ccc(Cl)cc1, CC(=O)N1c2cccnc2C(N)CC1C to produce CC(=O)N1c2cccnc2[C@H](Nc2ccc(Cl)cc2)C[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.