Using OB(O)c1ccncc1, CC(C)(C)OC(=O)N1CCc2cc(Cl)ccc2C1c1cc(Br)sc1Br to produce CC(C)(C)OC(=O)N1CCc2cc(Cl)ccc2C1c1cc(-c2ccncc2)sc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.