Cc1cc(Cc2cc(C)cc(C(C)(C)C)c2O)c(O)c(Cc2cc(C)cc(C(C)(C)C)c2O)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?