You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a fibrosis treatment. Please represent the molecule in SMILES.
user
Cn1cnc2ccc(C(=O)NC(Cc3ccc(OCCCc4ccc5c(n4)NCCC5)cc3)C(=O)O)cc21
assistant