Using O=Cc1ccccc1OCc1ccccc1, OCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce OCCC=Cc1ccccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.