CC1(N2CCOCC2)CC2(O)C(=[N+]1[O-])CCc1c2no[n+]1[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?