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: It belongs to the positive allosteric modulator class of molecules. Please write the SMILES representation of it.
user
O=C(O)C1CCCN(C(=O)c2ccc(F)c(F)c2)C1
assistant