Using O=Cc1ccc2[nH]ccc2c1, COC(C(=O)OCc1ccccc1)[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce CO/C(=C\c1ccc2[nH]ccc2c1)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.