Using CC(C)(C)OC(=O)CNC(=O)C1=C(O)c2cc(Br)ccc2C(C)(C)C1=O, OB(O)c1cccnc1 to produce CC(C)(C)OC(=O)CNC(=O)C1=C(O)c2cc(-c3cccnc3)ccc2C(C)(C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.