Using C[C@@H](N)c1ccc(NS(C)(=O)=O)c(CO)c1, CC(C)(C)c1c(F)cc(OCC(=O)O)cc1F to produce C[C@@H](NC(=O)COc1cc(F)c(C(C)(C)C)c(F)c1)c1ccc(NS(C)(=O)=O)c(CO)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.