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 pde1 inhibitor. Please write the SMILES representation of it.
user
Cc1oc2ncnc(NC3(C)CC3)c2c1C(=O)NCc1ccnc(F)c1
assistant