CC(C)(C)NC(=O)C(c1ccc(F)cc1)N(CCc1ccccc1)C(=O)c1cc[nH]n1
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?