Using CS(=O)(=O)c1cccc(-c2ccc(-c3cc(C(F)(F)F)nn3CC(=O)O)cc2)c1, CSCCl to produce CSCOC(=O)Cn1nc(C(F)(F)F)cc1-c1ccc(-c2cccc(S(C)(=O)=O)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.