CSC12c3cc(C)n(-c4ccc(I)cc4)c3CC(C)(C)CN1C(=O)C2Oc1ccccc1
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?