You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a histamine receptor antagonist, tachykinin receptor antagonist, and allergic disease treatment compound. Please write the SMILES representation of it.
user
CCCCCn1c(NC2CCN(CCC(CN(C)C(=O)c3ccccc3)c3ccc(F)cc3)CC2)nc2ccccc21
assistant