Using COC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, CCCC(C)Oc1ccc(C=O)cc1 to produce CCCC(C)Oc1ccc(C=COC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.