Using COc1cc(B2OC(C)(C)C(C)(C)O2)ccc1C#N, O=Cc1ccncc1Br to produce COc1cc(-c2cnccc2C=O)ccc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.