Using CCNCC, CCS(=O)(=O)N1CCC(c2c[nH]c3c(C(N)=O)cc(-c4ccc(C=O)cc4)cc23)CC1 to produce CCN(CC)Cc1ccc(-c2cc(C(N)=O)c3[nH]cc(C4CCN(S(=O)(=O)CC)CC4)c3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.