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 calcium receptor antagonist.
user
CC(C)(Cc1ccc2ccccc2c1)NCC(O)COc1ccc(-c2ccccc2C(=O)O)cc1C#N
assistant