Task: Answer the multiple-choice question.
Query: Which compound exhibits a -21.891% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(CSc1ccccc1C(=O)O)NC1CCCCCCC1
(b) O=C(Nc1ccn(Cc2ccccc2)n1)c1cccc(Cn2cc([N+](=O)[O-])cn2)c1
Answer: b. O=C(Nc1ccn(Cc2ccccc2)n1)c1cccc(Cn2cc([N+](=O)[O-])cn2)c1
{#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#}
O=C(Nc1ccn(Cc2ccccc2)n1)c1cccc(Cn2cc([N+](=O)[O-])cn2)c1
O=C(Nc1ccn(Cc2ccccc2)n1)c1cccc(Cn2cc([N+](=O)[O-])cn2)c1
N-(1-benzylpyrazol-3-yl)-3-[(4-nitropyrazol-1-yl)methyl]benzamide