Task: Answer the multiple choice question.
Query: Which compound exhibits a 21.961% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1ccc(NS(=O)(=O)c2cn(C)cn2)cc1OC
b. CC(=O)Nc1ccc2c(c1)CCCN2C(=O)c1ccccc1
c. CC(C)(C)OC(=O)NCCCC1=CC2=CC(=O)C(C)(OC(=O)c3ccc(Cl)nc3)C(=O)C2=CO1
d. COc1cccc(/C=C2/SC(=S)N(CCCC(=O)Nc3ccc(O)cc3)C2=O)c1
Answer: a. COc1ccc(NS(=O)(=O)c2cn(C)cn2)cc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(NS(=O)(=O)c2cn(C)cn2)cc1OC
COc1ccc(NS(=O)(=O)c2cn(C)cn2)cc1OC
N-(3,4-dimethoxyphenyl)-1-methylimidazole-4-sulfonamide