Using CCCCCCCCCC(C)C=O, COc1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce CCCCCCCCCC(C)C=Cc1ccc(OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.