Using CC(C=O)=Cc1ccccc1, c1ccc(COc2ccccc2C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce CC(C=Cc1ccccc1OCc1ccccc1)=Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.