Using CCOC(=O)c1cc(Br)c(C#N)n1N, OB(O)c1ccc(OCc2ccccc2)cc1 to produce CCOC(=O)c1cc(-c2cccc(OCc3ccccc3)c2)c(C#N)n1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.