Task: Please predict if the compound with the SMILES O=C(c1cccs1)c1ccc(-c2cccs2)s1 is an inhibitor of factor XIa (FXIa).
Result: no
Task: Please {#determine|predict|estimate!} if the {#molecule|compound!} with the {SMILES__description} {SMILES#} is {MUV-846__names__noun}.
Result: {MUV-846#no&yes}
O=C(c1cccs1)c1ccc(-c2cccs2)s1
O=C(c1cccs1)c1ccc(-c2cccs2)s1
thiophen-2-yl-(5-thiophen-2-ylthiophen-2-yl)methanone