You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the endothelin antagonist class of molecules. Please write the SMILES representation of it.
user
COc1ccccc1Oc1c(Cl)nc(N2CCN(C)CC2)nc1NS(=O)(=O)c1ccc(C(C)(C)C)cc1
assistant