Using NCCCCN, Cc1cc(C)c(S(=O)(=O)Cl)c(C)c1 to produce Cc1cc(C)c(S(=O)(=O)NCCCCNS(=O)(=O)c2c(C)cc(C)cc2C)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.