Using Cc1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1, Cc1ccc(C=O)cc1 to produce Cc1ccc(C=Cc2ccc(C)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.