CC(C)N(Cc1nccn1C)C(=O)CC1C(=O)NCCN1Cc1ccccc1C(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?