[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a 7-chlorotryptophan in which the chiral centre has D- (R-) configuration. It is a 7-chlorotryptophan, a D-tryptophan derivative and a D-alpha-amino acid. It is an enantiomer of a 7-chloro-L-tryptophan."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][N][C][=C][Ring1][Branch2][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]