CC(=O)N1CCN(c2ccc(N/C=C3\C(=O)NC(=O)N(Cc4ccccc4)C3=O)cc2)CC1
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?