COC(=O)C1C(=O)C=CN([C@H](C)c2ccccc2)[C@@H]1Cc1ccc(OC)c(OCc2ccccc2)c1I
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?