Using CCCCCOc1ccc2c(c1)C=C(CBr)CO2, O=C1NC(=O)c2ccccc21 to produce CCCCCOc1ccc2c(c1)C=C(CN)CO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.