Task: Please predict if the compound with the SMILES CC1(C)OC(=O)N(c2ccccc2)C12C=Cc1cc(Br)ccc1O2 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}
CC1(C)OC(=O)N(c2ccccc2)C12C=Cc1cc(Br)ccc1O2
CC1(C)OC(=O)N(c2ccccc2)C12C=Cc1cc(Br)ccc1O2
6'-bromo-5,5-dimethyl-3-phenylspiro[1,3-oxazolidine-4,2'-chromene]-2-one