[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a lachrymatory agent. It produces immediate pain to the eyes and irritate mucous membranes."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][=C][=C][C][=C][Ring1][=Branch1][C][=C][Branch1][Ring1][C][#N][C][#N][Cl]"}]