Using NCC(=O)Cl, O=C(c1ccccc1F)c1cc(Cl)ccc1NCC(O)CO to produce O=C1CN=C(c2ccccc2F)c2cc(Cl)ccc2N1CC(O)CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.