Cc1nn(CC(=O)Nc2sc3c(c2C#N)CCC(C(C)(C)C)C3)c(C)c1[N+](=O)[O-]
An acid's negative base-10 logarithmic dissociation constant (pKa) follows directly from its underlying thermodynamics; the negative pKa is directly proportional to its standard Gibbs free energy change. What is the negative pKa value of this molecule?