Using COc1c(Cl)ccc(-c2nc(C=O)c(Cl)c(N)c2F)c1F, O=P([O-])([O-])O to produce COc1c(Cl)ccc(-c2nc(C(=O)O)c(Cl)c(N)c2F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.