CCOCCCN(Cc1ccco1)C(=O)c1cc2c(=O)[nH]c3ccc(C)cc3c2s1
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?