CCCCN(C)CCN1C(=O)C2C(C(=O)Nc3ccc(OC)cc3)C3C=CC2(O3)C1C(=O)NC1CCCCC1
The negative base-10 logarithmic of dissociation constant (pka) for an acid is a direct consequence of the underlying thermodynamics of the dissociation reaction; the pKa value is directly proportional to the standard Gibbs free energy change for the reaction. What is the pka value of this molecule?