Using OB(O)c1ccc(O)cc1, CC(OC(=O)Nc1ccncc1Br)c1ccccc1Cl to produce CC(OC(=O)Nc1ccncc1-c1ccc(O)cc1)c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.