The chemical with the SMILES representation of O=C1CCCc2c1[nH]c1ccccc21 is not an inhibitor of the EPH receptor A4.
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-689#not &NULL}{MUV-689__names__noun}.
O=C1CCCc2c1[nH]c1ccccc21
O=C1CCCc2c1[nH]c1ccccc21
2,3,4,9-tetrahydrocarbazol-1-one