COCCOC(=O)N1CCCCC1c1cc(C(=O)Nc2cccc3c2CCCC3)no1
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?