CCN1c2cc(C)ccc2-n2cccc2C12CCN(C(=O)Nc1cc(OC)c(OC)c(OC)c1)CC2
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?