You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a anti cancer and belongs to the anti body class of molecules.
user
Cc1c(-c2ccc(N3CCc4cccc(C(=O)Nc5nc6ccccc6s5)c4C3)nc2C(=O)O)cnn1CC12CC3(C)CC(C)(C1)CC(OCCN(CCS(=O)(=O)O)C1CN(C(=O)OCc4ccc(N(C(N)=O)C(=O)C(CCCN)NC(=O)C(NC(=O)CCCCCN5C(=O)C=CC5=O)C(C)C)cc4)C1)(C3)C2
assistant