1-​Piperidineacetamide, 4-​[[[5-​[[[5-​(1,​1-​dimethylethyl)​-​2-​oxazolyl]​methyl]​thio]​-​2-​thiazolyl]​amino]​carbonyl]​-​N-​[2-​[2-​[2-​[2-​[[2-​(2,​6-​dioxo-​3-​piperidinyl)​-​2,​3-​dihydro-​1,​3-​dioxo-​1H-​isoindol-​4-​yl]​amino]​ethoxy]​ethoxy]​et