Using COC(=O)c1cc2c(n1C)-c1cn(C(c3ccccc3)(c3ccccc3)c3ccccc3)nc1CC2 to produce COC(=O)c1cc2c(n1C)-c1cn[nH]c1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.