Cc1n[nH]c(C)c1S(=O)(=O)N1CCCC(C(=O)N2CCc3ccccc32)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?