Using ClC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, COc1cc(C=O)cc(OC)c1OC to produce COc1cc(C=CCl)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.