Using Cc1cc(NC(=O)[C@H](N)Cc2cn(Cc3ccccc3)cn2)ccc1C(=O)N1CCCC1 to produce Cc1cc(NC(=O)[C@H](N)Cc2c[nH]cn2)ccc1C(=O)N1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.