Using COc1cc(C=O)cc(OC)c1, COc1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce Oc1ccc(/C=C/c2cc(O)cc(O)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.