COc1cc2cc(C(c3nnnn3C3CCCC3)N(C)C3CCCCC3)c(O)nc2cc1OC
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?