Using CCOC(=O)/C=C(/C)c1cccc(C#N)c1, O=C1CCC(=O)N1Br to produce CCOC(=O)/C=C(\CBr)c1cccc(C#N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.