CCCCCCCCCCNC1CC(OC2CC(O)(C(O)CO)Cc3c(O)c4c(c(O)c32)C(=O)c2c(OC)cccc2C4=O)OC(C)C1O.Cl
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?