Question: Is the SMILES S=C1NCCN1 an inhibitor of factor XIa (FXIa)?
Answer:no
Question: Is the {SMILES__description} {SMILES#} {MUV-846__names__noun}?
Answer:{MUV-846#no&yes}
S=C1NCCN1
S=C1NCCN1
imidazolidine-2-thione