Using O[C@@H](COCc1ccccc1)Cc1nccn1C(c1ccccc1)(c1ccccc1)c1ccccc1 to produce O[C@@H](COCc1ccccc1)Cc1ncc[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.