Task: Answer the multiple-choice question.
Question: Which drug has a 13.657\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOCCCNC(=O)CNC(=S)N(Cc1ccc(C)cc1)Cc1ccco1
(b) O=C(CCN1C(=O)c2ccc([N+](=O)[O-])cc2C1=O)Nc1ccccc1C(=O)O
Answer: b. O=C(CCN1C(=O)c2ccc([N+](=O)[O-])cc2C1=O)Nc1ccccc1C(=O)O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(CCN1C(=O)c2ccc([N+](=O)[O-])cc2C1=O)Nc1ccccc1C(=O)O
O=C(CCN1C(=O)c2ccc([N+](=O)[O-])cc2C1=O)Nc1ccccc1C(=O)O
2-[3-(5-nitro-1,3-dioxoisoindol-2-yl)propanoylamino]benzoic acid