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: It belongs to the anti body class of molecules.
user
COCCOc1nc(N)c2[nH]c(=O)n(Cc3ccc(CNC(=O)COCCOCC(C)=O)cc3)c2n1
assistant