Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CC(C)Oc1ccc(S(C)(=O)=O)cc1C(=O)N1CCN(c2ccc(C#N)cc2F)CC1
(b) O=C1COc2ccc(CN[C@@H]3CCN(CCn4c(=O)ccc5ncc(Oc6cccnc6)cc54)C[C@@H]3F)nc2N1
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-propan-2-yloxybenzoyl)piperazin-1-yl]benzonitrile