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
CCOC(=O)CCCCc1c(F)cccc1C(C)OCC(O)CNC(C)(C)CC1Cc2ccccc2C1
assistant