CCN1CC2(COC)C(O)CC(OC)C34C5CC6(O)C(OC)C=C(C5C6OC(=O)c5ccc(OC)c(OC)c5)C(C(OC)C23)C14
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?