You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the calcium receptor antagonist class of molecules. Please represent the molecule in SMILES.
user
CC(C)(CCCCCc1ccccc1)NCC(O)c1cc(CCC(=O)O)cc(F)c1F
assistant