Task: Answer the multiple-choice question.
Question: Which compound has a 8.481\% 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) c1ccc(-c2cn(C[C@H]3CC[C@@H]([C@@H]4CC[C@H](Cn5cc(-c6ccccc6)nn5)O4)O3)nn2)cc1
b) CC(C(=O)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1)N1CCN(c2ccccn2)CC1
Answer: b. CC(C(=O)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1)N1CCN(c2ccccn2)CC1
{#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(=O)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1)N1CCN(c2ccccn2)CC1
CC(C(=O)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1)N1CCN(c2ccccn2)CC1
N-(4-morpholin-4-ylsulfonylphenyl)-2-(4-pyridin-2-ylpiperazin-1-yl)propanamide