CCCN(CCC)CCN1C(=O)C2C(C(=O)Nc3ccc(C)cc3)C3C=CC2(O3)C1C(=O)NC1CCCCC1
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?