[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=N][C][C][C][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a member of the class of pyrrolines that is 1-pyrroline substituted at position 2 by a methyl group. It is an imine and a pyrroline. It is a conjugate base of a 2-methyl-1-pyrrolinium."}]