Cc1nn(-c2ccccc2)c(C)c1C(=O)OCC(=O)N1c2ccccc2NC(=O)C1(C)C
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?