Using OB(O)c1cccc(O)c1, CC(C)(C)OC(=O)N(c1cc(Cl)nc2c(C=O)cnn12)C1CC1 to produce CC(C)(C)OC(=O)N(c1cc(-c2cccc(O)c2)nc2c(C=O)cnn12)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.