Using OB(O)C1CC1, CCOC(=O)c1cnn(-c2ncc(Br)cc2Cl)c1C to produce CCOC(=O)c1cnn(-c2ncc(C3CC3)cc2Cl)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.