Using CC1(C)OB(c2ccc(-n3cnc4ccccc43)cc2)OC1(C)C, COC(=O)c1cnc(Br)n1C to produce COC(=O)c1cnc(-c2ccc(-n3cnc4ccccc43)cc2)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.