Task: Answer the multiple-choice question.
Query: Which compound exhibits a 21.862% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CCc1ccc(NC(=O)CN2C(=O)CC(C)S(=O)(=O)c3ccccc32)cc1
b. CC1CCN(CCc2nc3cc(NC(=O)Nc4ccccc4)ccc3n2C)CC1
c. O=C(O)C1CCN(S(=O)(=O)c2ccc3c(c2)OCCCO3)CC1
d. Cc1c(N)c(=O)n(-c2ccccc2)n1C
Answer: d. Cc1c(N)c(=O)n(-c2ccccc2)n1C
{#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#}
Cc1c(N)c(=O)n(-c2ccccc2)n1C
Cc1c(N)c(=O)n(-c2ccccc2)n1C
4-amino-1,5-dimethyl-2-phenylpyrazol-3-one