Using O=C1c2ccccc2C(=O)N1CCS(=O)(=O)NC[C@@H]1[C@@H](Nc2nccc(N3CCCCCC3)n2)CCN1C1CCCCC1 to produce NCCS(=O)(=O)NC[C@@H]1[C@@H](Nc2nccc(N3CCCCCC3)n2)CCN1C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.