CC(=O)c1cccc(-c2ccnc3c2CC(C(=O)Nc2ccc(Cl)c(C(F)(F)F)c2)O3)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?