N#Cc1c(-c2ccccc2)cc(-c2ccccc2)n(C2OC(CO)C(O)C(O)C2O)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?