Task: Answer the multiple choice question.
Question: Which drug exhibits a 8.887\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nc2ccccc2n1CC
(b) CC(C)CC(=O)c1c[nH]c(C(=O)NCCCn2ccnc2)c1
Answer: a. CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nc2ccccc2n1CC
{#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)[nH]c(C)c1C(=O)CSc1nc2ccccc2n1CC
CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nc2ccccc2n1CC
ethyl 4-[2-(1-ethylbenzimidazol-2-yl)sulfanylacetyl]-2,5-dimethyl-1H-pyrrole-3-carboxylate