A Novel Small Molecule, ( E )-5-(2,4-di-tert-butyl-6-((2,4-dioxothiazolidin-5-ylidene)methyl)phenyl)-5 -dimethoxy-4,4 d (cid:1) -dicarboxylate ( 7k ), Alleviates the Development of D -Galactosamine/ Lipopolysaccharide-Induced Acute Liver Failure by Inhibiting Macrophage Infiltration and Regulating C