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 parp inhibitor. Please write the SMILES representation of it.
user
O=c1c2c(c3cnn(CCCNC4CC4)c3n1C1CCC1)CCCC2
assistant