You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to the ccr3 antagonist class of molecules.
user
CCOC(=O)CCCN(CCN1Cc2ccc(F)cc2CC1Cc1ccc(F)cc1)Cc1cccc(N)c1
assistant