[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][Branch1][C][C][C][C][C][C][Branch2][Ring1][Ring1][C][=C][Branch1][Branch1][C][O][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][Branch2][C][#N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F]"}, {"from": "gpt", "value": "The molecule is widely used to treat the symptoms of depression. Its chemical structure is unrelated to that of other SSRIs or of tricyclic, tetracyclic, or other prescribed antidepressants.  Citalopram is also known as Celexa, and available in tablet and solution forms.  This drug was initially approved by the FDA in 1998."}]