[{"from": "human", "value": "Provide a description of this molecule. [C][C][C@H1][Branch1][C][C][C@@H1][Branch2][Ring2][Branch2][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch1][C@@H1][Branch1][C][C][O][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][C@][Branch1][Branch1][C][O][Ring1][Ring1][C][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C@@H1][Branch1][C][C][C][C][N][Branch1][C][C][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a tripeptide consisting of an Ile-Ile-Thr-NH2 sequence N-substituted on the threonamide amidic nitrogen with a (2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl group and with acetyl and methyl groups on the nitrogen of the isoleucine residue distal to the threonamide; a naturally occurring selective proteasome inhibitor with anti-inflammatory activity. It has a role as a proteasome inhibitor. It is a member of morpholines and a tripeptide."}]