Using COC(=O)c1cc(OC(C)C)cc(C(=O)OC)c1CBr, [C-]#N to produce COC(=O)c1cc(OC(C)C)cc(C(=O)OC)c1CC#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.