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 anti body.
user
CC(C)CC(NC(=O)CNC(=O)C(CC(C)C)NC(=O)C1CCCN1C(=O)CCCN1C(=O)C=CC1=O)C(=O)NC(CC(C)C)C(=O)Nc1ccc2[nH]c(C(=O)N3CC(CCl)c4c3cc(OC(=O)N3CCN(C)CC3)c3ccccc43)cc2c1
assistant