Task: Answer the MCQ question.
Query: Which compound exhibits a 2.917\% 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=C(Nc1ccccc1Oc1cccnc1)C1CCCN(Cc2ccccc2O)C1
(b) CCCCOc1ccc(C2CCC(C(C)=O)C(C)C2)cc1
(c) O=C(NN1C(=O)c2ccccc2NC1c1ccc([N+](=O)[O-])o1)c1ccc(Br)cc1
(d) CCCS(=O)(=O)NCc1ccc2c(c1)cc(C)n2C
Answer: d. CCCS(=O)(=O)NCc1ccc2c(c1)cc(C)n2C
{#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#}
CCCS(=O)(=O)NCc1ccc2c(c1)cc(C)n2C
CCCS(=O)(=O)NCc1ccc2c(c1)cc(C)n2C
N-[(1,2-dimethylindol-5-yl)methyl]propane-1-sulfonamide