Cc1cc(C)cc(N(CC(=O)NCc2ccc(F)cc2)C(=O)CCC(=O)Nc2ccccn2)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?