Using CC(C)(C)S(=O)NC(C(F)(F)F)C1(CC2CC2)CCC2(CC1)OCCO2 to produce NC(C(F)(F)F)C1(CC2CC2)CCC(O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.