Cc1cccc(NC(=O)c2[nH]cnc2C(=O)NCCCCCNC(=O)OC(C)(C)C)c1
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?