Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 7.968\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COC(=O)c1nccc2c1[nH]c1ccccc12
(b) O=[n+]1cc(-c2ccccc2)n([O-])c2c1CCCCC2
(c) COC(=O)c1ccc(NC(=S)N(Cc2cccnc2)Cc2ccco2)cc1
(d) CN(C)N=Nc1nc[nH]c1C(N)=O
Answer: b. O=[n+]1cc(-c2ccccc2)n([O-])c2c1CCCCC2
{#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#}
O=[n+]1cc(-c2ccccc2)n([O-])c2c1CCCCC2
O=[n+]1cc(-c2ccccc2)n([O-])c2c1CCCCC2
1-oxido-2-phenyl-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyrazin-4-ium 4-oxide