[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][C][C@@H1][Branch2][#Branch1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch1][C][Branch1][C][C][O][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch1][C][Branch1][C][C][O][C][=Branch1][C][=O][N][C@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][N][C][C][C][O][C][C][O][C][C][O][C][C][C][N]"}, {"from": "gpt", "value": "The molecule is a seven-membered oligopeptide comprising L-leucine, L-serine, L-glutamic acid, L-threonine, L-glutamic acid, L-threonine and D-leucine residues coupled in sequence, modified by insertion at the N-terminal position of the flexible and hydrophilic PEG chain 1,13-diamino-4,7,10-trioxatrideacne succinamic acid linker (Ttds)."}]