Using O=S(=O)(c1ccccc1)N(F)S(=O)(=O)c1ccccc1, COC(=O)C(C)c1ccccn1 to produce COC(=O)C(C)(F)c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.