Task: Answer the multiple choice question.
Question: Which compound has a 9.190\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) O=C(c1cc2ccccc2oc1=O)N1CCCC1
b.) CCCCCC(=O)NNC(=O)Cc1ccc([N+](=O)[O-])cc1
c.) Cc1cccc(NC(=O)CN2CCN(CC(=O)Nc3ccc(-c4ccccc4)cc3)CC2)c1C
d.) CCOC(=O)C[C@H]1c2cc(C(F)(F)F)ccc2S(=O)(=O)N1C(C)C
Answer: b. CCCCCC(=O)NNC(=O)Cc1ccc([N+](=O)[O-])cc1
{#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#}
CCCCCC(=O)NNC(=O)Cc1ccc([N+](=O)[O-])cc1
CCCCCC(=O)NNC(=O)Cc1ccc([N+](=O)[O-])cc1
N'-[2-(4-nitrophenyl)acetyl]hexanehydrazide