Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 0.013\% 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 other words.
Options:
a: O=c1[nH]c(=S)[nH]c2c1C(c1ccc(Br)cc1)c1c([nH]c(=S)[nH]c1=O)O2
b: CC1CC(=O)Nc2ccccc2N1C(=O)Nc1ccc(F)cc1F
c: CCCCCCCCCCCC(=O)NC(Cc1ccc(OC)c([N+](=O)[O-])c1)C(=O)[O-].[NH4+]
d: CCC(C)NC(=O)Nc1ccc(F)c(Cl)c1
Answer: c. CCCCCCCCCCCC(=O)NC(Cc1ccc(OC)c([N+](=O)[O-])c1)C(=O)[O-].[NH4+]
{#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#}
CCCCCCCCCCCC(=O)NC(Cc1ccc(OC)c([N+](=O)[O-])c1)C(=O)[O-].[NH4+]
CCCCCCCCCCCC(=O)NC(Cc1ccc(OC)c([N+](=O)[O-])c1)C(=O)[O-].[NH4+]
azanium;2-(dodecanoylamino)-3-(4-methoxy-3-nitrophenyl)propanoate