Task: Answer the MCQ question.
Query: Which drug exhibits a 5.482\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COc1cccc(N(CC(=O)NCc2cccnc2)S(C)(=O)=O)c1
(b) CC1(C)C2([N+](=O)[O-])CN(CCO)CC1([N+](=O)[O-])CN(CCO)C2
(c) CC1CCN(CCCNC(=O)c2cc3c(=O)n(C)c4ccccc4c3n2C)CC1
(d) CCN(CC)CCN(C(=O)c1ccc(C(C)=O)cc1)c1nc2ccc(Cl)cc2s1.Cl
(e) COc1ccccc1NC(=O)CN1CCN(CC(=O)Nc2ccccc2Cl)CC1
Answer: b. CC1(C)C2([N+](=O)[O-])CN(CCO)CC1([N+](=O)[O-])CN(CCO)C2
{#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#}
CC1(C)C2([N+](=O)[O-])CN(CCO)CC1([N+](=O)[O-])CN(CCO)C2
CC1(C)C2([N+](=O)[O-])CN(CCO)CC1([N+](=O)[O-])CN(CCO)C2
2-[7-(2-hydroxyethyl)-9,9-dimethyl-1,5-dinitro-3,7-diazabicyclo[3.3.1]nonan-3-yl]ethanol