Task: Answer the multiple choice question.
Query: Which compound has a -21.313\% 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(CCCn1c(=O)[nH]c2ccccc2c1=O)N1CCN(Cc2ccc3c(c2)OCO3)CC1
(b) COC(=O)C(Cc1ccccc1)NC(=O)c1ccc(C)cc1
(c) Cc1cccc(C)c1NC(=O)N1CCN(c2nc3ccccc3s2)CC1
(d) CC(C)n1c(N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)nc2ccccc21
Answer: d. CC(C)n1c(N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)nc2ccccc21
{#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#}
CC(C)n1c(N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)nc2ccccc21
CC(C)n1c(N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)nc2ccccc21
2-[4-(3-nitrophenyl)sulfonylpiperazin-1-yl]-1-propan-2-ylbenzimidazole