CC(=O)NC1C(Oc2ccc3c(C)cc(=O)oc3c2)OC(COC(C)=O)C(OC(C)=O)C1OC(C)=O
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?