Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -4.500% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC1(C)CC(=O)c2c(O)cc(O)cc2O1
(b) CCCCN(C)C(=O)c1sc2ncn(CC)c(=O)c2c1C
(c) COc1cc(/C=C/C(=O)c2ccc(C)cc2)ccc1OCC#N
(d) O=C(Nc1cccnc1)c1ccco1
Answer: b. CCCCN(C)C(=O)c1sc2ncn(CC)c(=O)c2c1C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCN(C)C(=O)c1sc2ncn(CC)c(=O)c2c1C
CCCCN(C)C(=O)c1sc2ncn(CC)c(=O)c2c1C
N-butyl-3-ethyl-N,5-dimethyl-4-oxothieno[2,3-d]pyrimidine-6-carboxamide