CC1(C)CC2(CC(c3ccccc3F)c3cc(Cl)c(O)cc3O2)N=C(S)N1
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?