Using CCS(=O)(=O)c1sc(S(N)(=O)=O)cc1C(C)NC(C)=O to produce CCNC(C)c1cc(S(N)(=O)=O)sc1S(=O)(=O)CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.