Using CCOC(=O)C(OCC)[P+](c1ccccc1)(c1ccccc1)c1ccccc1, O=Cc1ccc2[nH]ccc2c1 to produce CCOC(=O)/C(=C/c1ccc2[nH]ccc2c1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.