Using CCOC(=O)C(NS(=O)(=O)c1c(C)cc(C)cc1C)C(F)(F)F to produce Cc1cc(C)c(S(=O)(=O)NC(CO)C(F)(F)F)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.