Using CCCN(CCC)c1nc2nn(Cc3ccccc3)c(-c3ccc(C)cc3C)c2c(=O)n1C to produce CCCN(CCC)c1nc2n[nH]c(-c3ccc(C)cc3C)c2c(=O)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.