Cc1nc(C(=O)NCc2ccccc2)sc1C1(C)CC(c2cccnc2)=NO1
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?