CC1(C)CC(=O)C2=C(C1)N(c1ccc(F)cc1)C(=O)C2(O)C(F)(F)F
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?