CC1(C)CC(=O)C2=C(C1)c1c(ccc3ccccc13)NC2c1ccc(OCC(=O)O)cc1
The negative base-10 logarithmic of dissociation constant (pka) for an acid is a direct consequence of the underlying thermodynamics of the dissociation reaction; the pKa value is directly proportional to the standard Gibbs free energy change for the reaction. What is the pka value of this molecule?