Using COC(=O)C(=O)c1c2n(c3cc(Cl)ncc13)CC(N(C)S(=O)(=O)c1ccc(F)cc1)CC2 to produce COC(=O)Cc1c2n(c3cc(Cl)ncc13)CC(N(C)S(=O)(=O)c1ccc(F)cc1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.