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 calcium receptor antagonist class of molecules.
user
CN1CCN(C(CNS(=O)(=O)c2ccc(Oc3ccccc3)nc2)c2ccc(O)c(O)c2)CC1
assistant