Using CS(N)(=O)=O, CC1(C)CC(c2cccc(N3CCN(c4ccccc4F)CC3)c2)Nc2c(C(=O)O)cc(F)cc21 to produce CC1(C)CC(c2cccc(N3CCN(c4ccccc4F)CC3)c2)Nc2c(C(=O)NS(C)(=O)=O)cc(F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.