Using Cc1cn([C@@H]2O[C@H](CO)[C@@H](O)[C@H]2OCCCN2C(=O)c3ccccc3C2=O)c(=S)[nH]c1=O to produce Cc1cn([C@@H]2O[C@H](CO)[C@@H](O)[C@H]2OCCCN)c(=S)[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.