Task: Answer the multiple-choice question.
Question: Which compound exhibits a 2.388\% 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: CC1(c2ccc(Cl)cc2)NC(=O)N(CC(=O)N2CCc3ccccc3C2)C1=O
b: CCOC(=O)c1c(C)nc2c(c1-c1cc(OC)c(OC)c(OC)c1)C(=O)c1ccccc1-2
c: CSc1nc2c(cnn2-c2ccc(C)c(C)c2)c(=O)[nH]1
d: O=c1ccc(Cl)n[nH]1
Answer: b. CCOC(=O)c1c(C)nc2c(c1-c1cc(OC)c(OC)c(OC)c1)C(=O)c1ccccc1-2
{#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#}
CCOC(=O)c1c(C)nc2c(c1-c1cc(OC)c(OC)c(OC)c1)C(=O)c1ccccc1-2
CCOC(=O)c1c(C)nc2c(c1-c1cc(OC)c(OC)c(OC)c1)C(=O)c1ccccc1-2
ethyl 2-methyl-5-oxo-4-(3,4,5-trimethoxyphenyl)indeno[1,2-b]pyridine-3-carboxylate