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 anti histaminic.
user
Cc1ccc(Oc2ccc3[nH]c4c(c3c2)CC(OC(=O)c2ccccc2)CC4)cc1
assistant