CCC(C(=O)NC1CCCC1)N(C(=O)c1snc(C(N)=O)c1N)c1ccc(OC)c(OC)c1
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?