Using CSc1ccc(S(=O)(=O)C[C@@H]2C[C@H](N)CC[C@@H]2N2CCC(c3cccc(C(F)(F)F)c3)=CC2=O)cc1, CC(C)=O to produce CSc1ccc(S(=O)(=O)C[C@@H]2C[C@H](NC(C)C)CC[C@@H]2N2CCC(c3cccc(C(F)(F)F)c3)=CC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.