Task: Answer the multiple-choice question.
Query: Which compound has a 6.045% 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) CCOC(=O)CSc1ccc2nnc(-c3cccnc3)n2n1
(b) O=c1c2cc(Cl)ccc2nc(-c2ccc([N+](=O)[O-])cc2)n1O
Answer: b. O=c1c2cc(Cl)ccc2nc(-c2ccc([N+](=O)[O-])cc2)n1O
{#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=c1c2cc(Cl)ccc2nc(-c2ccc([N+](=O)[O-])cc2)n1O
O=c1c2cc(Cl)ccc2nc(-c2ccc([N+](=O)[O-])cc2)n1O
6-chloro-3-hydroxy-2-(4-nitrophenyl)quinazolin-4-one