Question: Is the SMILES O=c1c2c([N+](=O)[O-])cc([N+](=O)[O-])cc2sn1-c1ccc(Br)cc1 an inhibitor of factor XIa (FXIa)?
Answer:no
Question: Is the {SMILES__description} {SMILES#} {MUV-846__names__noun}?
Answer:{MUV-846#no&yes}
O=c1c2c([N+](=O)[O-])cc([N+](=O)[O-])cc2sn1-c1ccc(Br)cc1
O=c1c2c([N+](=O)[O-])cc([N+](=O)[O-])cc2sn1-c1ccc(Br)cc1
2-(4-bromophenyl)-4,6-dinitro-1,2-benzothiazol-3-one