Using CCOC(=O)c1cc2c(C(F)(F)F)ccc(N(C)CCOS(C)(=O)=O)c2[nH]1 to produce CCOC(=O)c1cc2c(C(F)(F)F)ccc3c2n1CCN3C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.