Cc1c(Cc2ccccc2)c(=O)oc2c(C)c(OC(C)C(=O)N[C@@H](Cc3ccccc3)C(=O)O)ccc12
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?