CCC(C)(C)NC(=O)C(c1ccc(OC)cc1)N(C(=O)CCC(=O)Nc1cc(C)on1)c1ccccc1F
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?