Cc1cc(NC(=O)COC(=O)C(Nc2ccc(C(F)(F)F)cc2Cl)C(C)C)no1
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?