Cc1ccc(C)c(N2CCN(CCCNC(=O)c3cnn(-c4cccc(Cl)c4)c3C3CCN(C(=O)OC(C)(C)C)CC3)CC2)c1
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?