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 body and belongs to the cancer treatment class of molecules.
user
CCCN(OCC)C(=O)C1=Cc2ccc(-c3cc(CNC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)Oc4c(F)c(F)c(S(=O)(=O)O)c(F)c4F)ncn3)cc2N=C(N)C1
assistant