CCOc1ccccc1NC(=O)C(=O)CC(=O)c1sc(Nc2nnc(-c3ccc(Cl)c(Cl)c3)o2)nc1C
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?