Nc1c(N(CCO)C(=O)/C=C/c2ccco2)c(=O)[nH]c(=O)n1Cc1ccccc1
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?