Using CC(C)C(=O)N1CCS(=O)(=O)c2sc(S(N)(=O)=O)cc2C1C to produce CC1NCCS(=O)(=O)c2sc(S(N)(=O)=O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.