Cc1cc(C(=O)NCC(=O)OCC(=O)N2CCCCCC2)ccc1[N+](=O)[O-]
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?