You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a calcium receptor antagonist.
user
CC(C)(Cc1ccc2ccccc2c1)NCC(O)COc1ccccc1CC(=O)O.c1cc2cc(c1)C2
assistant