CC1CCCCC12NC(=O)N(CC(=O)NCc1ccc3c(c1)OCO3)C2=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?