Question: Is the SMILES O=[n+]1cc(-c2cccc3ccccc23)n([O-])c2c1CCC2 an inhibitor of the EPH receptor A4?
Answer: no
Question: Is the {SMILES__description} {SMILES#} {MUV-689__names__noun}?
Answer: {MUV-689#no&yes}
O=[n+]1cc(-c2cccc3ccccc23)n([O-])c2c1CCC2
O=[n+]1cc(-c2cccc3ccccc23)n([O-])c2c1CCC2
3-naphthalen-1-yl-4-oxido-6,7-dihydro-5H-cyclopenta[b]pyrazin-1-ium 1-oxide