CCCCN(C(=O)COC(=O)c1ccc(C=O)cc1)c1c(N)n(CCC)c(=O)[nH]c1=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?