Using CCOC(=O)c1cc(C)n[nH]1, O=S(=O)(OCC(F)(F)F)C(F)(F)F to produce CCOC(=O)c1cc(C)nn1CC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.