Using CN(CCCCCCCCCO)[C@H]1[C@H]2CC[C@@H]1[C@H](OC(=O)C(O)(c1cccs1)c1cccs1)C2 to produce CN(CCCCCCCCC=O)[C@H]1[C@H]2CC[C@@H]1[C@H](OC(=O)C(O)(c1cccs1)c1cccs1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.