You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
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Could you please return a molecule that adheres to this description? The molecule is a tocolytic agent and belongs to the anaesthetic class of molecules, with the characteristic of being analgesic. The molecule is a anti arrhythmia drug and is both anti convulsant and belongs to the calcium channel blocker and cardiovascular drug classes of molecules.
user