Using CN(C)C=O, COC(=O)c1ccc(OC)c(OCCc2cccc(Br)c2)c1 to produce COC(=O)c1ccc(OC)c(OCCc2cccc(C#N)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.