[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][=C][N][Branch1][=Branch1][C][C][C][Ring1][=Branch1][C][C][C][=C][Branch1][N][N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][C][=Branch1][C][=C][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a methyl ester that is 1H-indole substituted by a 3-methoxy-3-oxoprop-1-en-2-yl group at position 2 and a 2-(5-ethyl-3,4-dihydropyridin-1(2H)-yl)ethyl groups at position 3. It is a transient intermediate in the synthesis of indole alkaloids such as vindoline and vincadifformine. It is an enamine, a methyl ester, a monoterpenoid indole alkaloid, an enoate ester, a tetrahydropyridine, a tertiary amino compound, a secondary amino compound and an olefinic compound. It is a conjugate base of a secodine(1+)."}]