Using CCOC(=O)/C=C/[C@@H](Nc1nc(-c2cn(S(=O)(=O)c3ccc(C)cc3)c3ncc(F)cc23)ncc1F)C(C)(C)C to produce CCOC(=O)CC[C@@H](Nc1nc(-c2cn(S(=O)(=O)c3ccc(C)cc3)c3ncc(F)cc23)ncc1F)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.