Cc1nn(Cc2ccc(Cl)c(Cl)c2)c(C)c1NC(=O)c1noc2c1CCc1ccccc1-2
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?