Task: Answer the MCQ question.
Question: Which drug exhibits a 4.693% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1nc(C)nc2c1ccc1ccccc12
(b) O=[N+]([O-])c1ccc2nc(C(O)C(O)c3nc4ccc([N+](=O)[O-])cc4[nH]3)[nH]c2c1
(c) CCNc1nc(NC(C)C)nc(NS(=O)(=O)c2ccc(Cl)cc2)n1
Answer: b. O=[N+]([O-])c1ccc2nc(C(O)C(O)c3nc4ccc([N+](=O)[O-])cc4[nH]3)[nH]c2c1
{#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=[N+]([O-])c1ccc2nc(C(O)C(O)c3nc4ccc([N+](=O)[O-])cc4[nH]3)[nH]c2c1
O=[N+]([O-])c1ccc2nc(C(O)C(O)c3nc4ccc([N+](=O)[O-])cc4[nH]3)[nH]c2c1
1,2-bis(6-nitro-1H-benzimidazol-2-yl)ethane-1,2-diol