CC1NC2(C(=O)N(Cc3ccccc3)c3ccccc32)C2C(=O)N(c3ccccc3)C(=O)C12
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?