Using CC(CC=O)C(c1cc(F)ccc1F)S(=O)(=O)c1ccc(Cl)cc1, CN to produce CNCCC(C)C(c1cc(F)ccc1F)S(=O)(=O)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.