Using COC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, CCOC(=O)[C@@H]1CCC(=O)C[C@@H]1C to produce CCOC(=O)[C@@H]1CCC(=COC)C[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.