Task: Answer the multiple-choice question.
Query: Which compound has a 9.579\% 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(OCC(=O)N1CCCC1)c1ccc(Cl)nc1
(b) COc1ccc(OC)c(CN2CCN(CCCc3ccccc3)C(CCO)C2)c1
(c) O=C(Nc1ccccc1C(=O)N1CCCCC1)c1ccc(Cl)cc1Cl
(d) COc1cccc(OC)c1NC(=O)c1nc2c(nnn2Cc2ccccc2Cl)c(=O)[nH]1
Answer: a. O=C(OCC(=O)N1CCCC1)c1ccc(Cl)nc1
{#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#}
O=C(OCC(=O)N1CCCC1)c1ccc(Cl)nc1
O=C(OCC(=O)N1CCCC1)c1ccc(Cl)nc1
(2-oxo-2-pyrrolidin-1-ylethyl) 6-chloropyridine-3-carboxylate