Using c1ccc([P+](Cc2cccc(-c3ccsc3)c2)(c2ccccc2)c2ccccc2)cc1, O=Cc1cccc(CO)c1 to produce OCc1cccc(C=Cc2cccc(-c3ccsc3)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.