Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CC(Oc1ccc(S(C)(=O)=O)cc1C(=O)N1CCN(c2ccc(C#N)cc2F)CC1)C(F)(F)F
b. COc1ccc(C[C@@H](C(=O)O)N2CCC(CN3CCC(Oc4ccc(Cl)c(Cl)c4)CC3)CC2)cc1
c. N#Cc1ccc(Cn2cncc2C[NH2+][C@H]2CCN(C(=O)c3cccnc3[O-])C2=O)cc1
d. O=C(O)c1cnc2c(N3CCN(CCc4ccc(OCCCN5CCCCCC5)cc4)CC3)cccc2c1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
3-fluoro-4-[4-[5-methylsulfonyl-2-(1,1,1-trifluoropropan-2-yloxy)benzoyl]piperazin-1-yl]benzonitrile