Cc1ccc(-c2c3c(=O)n(C)c(=O)n(C)c3cn2-c2ccccc2O)cc1
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?