Task: Answer the MCQ question.
Query: Which drug exhibits a 7.936\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1cccc(CSc2nnc(-c3ccccc3F)o2)c1
(b) CCOCCCNS(=O)(=O)c1ccc2c(c1)CCN2C(=O)CC
Answer: b. CCOCCCNS(=O)(=O)c1ccc2c(c1)CCN2C(=O)CC
{#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#}
CCOCCCNS(=O)(=O)c1ccc2c(c1)CCN2C(=O)CC
CCOCCCNS(=O)(=O)c1ccc2c(c1)CCN2C(=O)CC
[C][C][O][C][C][C][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][N][Ring1][=Branch1][C][=Branch1][C][=O][C][C]
N-(3-ethoxypropyl)-1-propanoyl-2,3-dihydroindole-5-sulfonamide