Using CN(C)C=O, Cc1cc(Br)ccc1C(=O)CCC1c2ccccc2Oc2ccccc21 to produce Cc1cc(C#N)ccc1C(=O)CCC1c2ccccc2Oc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.