CC(=O)c1cccc(NC(=O)C2(C)Cc3c(-c4cccc(C(F)(F)F)c4)ccnc3O2)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?