Task: Answer the multiple-choice question.
Query: Which drug exhibits a 12.591\% 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] CCC(=O)N(Cc1cccs1)C1CCOC(C)(C)C1
[b] CCOC(=O)c1c(NC(=O)C2CCCN(S(=O)(=O)c3ccc(C)cc3)C2)sc2c1CCCC2
Answer: a. CCC(=O)N(Cc1cccs1)C1CCOC(C)(C)C1
{#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#}
CCC(=O)N(Cc1cccs1)C1CCOC(C)(C)C1
CCC(=O)N(Cc1cccs1)C1CCOC(C)(C)C1
N-(2,2-dimethyloxan-4-yl)-N-(thiophen-2-ylmethyl)propanamide