Cc1sc(NC(=O)CN2CCCC2)nc1-c1ccc2c(c1)CCN2C(=O)c1ccc(F)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?