You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a anti histamine and belongs to the anti histaminic class of molecules.
user
CC(=O)C1(c2ccccc2)CCN(CCCOc2ccc3[nH]c(=O)ccc3c2)CC1
assistant