Using COc1cc(CCC(=O)c2cccc(O)c2)ccc1OP(=O)([O-])Oc1cc(C)cc(C)c1, O=C(O)CCl to produce COc1cc(CCC(=O)c2cccc(OCC(=O)[O-])c2)ccc1OP(=O)([O-])Oc1cc(C)cc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.