Using CCCCNC(=O)[C@H](C)C[C@H](O)[C@@H]1C[C@H](C)CCC=CCCCCS(=O)(=O)C[C@@H](C)C(=O)N1 to produce CCCCNC(=O)[C@H](C)C[C@H](O)[C@@H]1C[C@H](C)CCCCCCCCS(=O)(=O)C[C@@H](C)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.