Cc1ccc(CNC(=O)c2cnn(-c3cccc(C)c3)c2C2CCN(C(=O)OC(C)(C)C)CC2)cc1
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?