CN(CC(=O)Nc1ccc(F)c(F)c1F)C(=O)C1CC(=O)N(C2CCCC2)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?