CCOC(=O)NC(=O)c1cn(CCCOC(=O)CCCCCCCCC(=O)OCCCn2cc(C(=O)NC(=O)OCC)c(=O)[nH]c2=O)c(=O)[nH]c1=O
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?