Task: Answer the multiple-choice question.
Query: Which compound has a 19.915\% 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) O=C(Nc1ccncc1)c1ccc(NS(=O)(=O)c2ccc3[nH]c(=O)[nH]c3c2)cc1
(b) CC(C)OC(=O)C1C(=O)CC(C)(O)C(C(=O)OC(C)C)C1c1cccnc1
Answer: b. CC(C)OC(=O)C1C(=O)CC(C)(O)C(C(=O)OC(C)C)C1c1cccnc1
{#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#}
CC(C)OC(=O)C1C(=O)CC(C)(O)C(C(=O)OC(C)C)C1c1cccnc1
CC(C)OC(=O)C1C(=O)CC(C)(O)C(C(=O)OC(C)C)C1c1cccnc1
dipropan-2-yl 4-hydroxy-4-methyl-6-oxo-2-pyridin-3-ylcyclohexane-1,3-dicarboxylate