Cc1nn(-c2ccccc2)c(Cl)c1C(=O)N(C)CC(=O)Nc1cccc(F)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?