[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch2][Branch1][O][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][Branch1][#Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][C][Branch1][Branch1][C][O][Ring1][Ring1][C][O][N][C][=Branch1][C][=O][C@H1][Branch1][C][C][C][=Branch1][C][=O][N][O]"}, {"from": "gpt", "value": "The molecule is an epoxide that is oxiran-2-ylmethanol which is acylated at position 2 by an N-[(2R)-3-amino-2-methyl-3-oxopropanoyl]-L-threonyl-L-threonylleucinyl group. It is a proteasome inhibitor isolated from Streptomyces sp. TC 1087. It has a role as an antimicrobial agent, a proteasome inhibitor and a bacterial metabolite. It is a secondary alcohol, a primary alcohol, an epoxide, a ketone and a dicarboxylic acid diamide."}]