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 both a serine protease inhibitor and a protease inhibitor. Please write the SMILES representation of it.
user
CCCC(NC(=O)C1C(CCC)CCN1C(=O)C(NC(=O)C(NC(=O)c1cnccn1)C(C)OC)C(C)(C)C)C(=O)C(=O)NC1CC1
assistant