Using O=[PH](O)Cc1ccccc1, C=C(CCC(=O)OCc1ccccc1)C(=O)OCc1ccccc1 to produce O=C(CCC(CP(=O)(O)Cc1ccccc1)C(=O)OCc1ccccc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.