CC(C)(C)OC(=O)NCCCCC(NC(=O)C(Cc1c[nH]c2ccccc12)NC(=O)OCC1c2ccccc2-c2ccccc21)C(=O)O
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?