Cc1ccc(CNC(=O)[C@]2(C(F)(F)F)C[C@H](CCc3ccccc3)CCCO2)o1
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?