Using Cc1cn([C@H]2C[C@H](O)[C@](CO)(C(NCc3ccccc3)NCc3ccccc3)O2)c(=O)[nH]c1=O to produce Cc1cn([C@H]2C[C@H](O)[C@@](CN)(CO)O2)c(=O)[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.