You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a calcium receptor antagonist.
user
CC(C)CCOC(=O)CCc1ccc(C#N)c(OCC(O)C[N+](C)(C)CCC2Cc3ccccc3C2)c1
assistant