Task: Answer the multiple-choice question.
Question: Which compound has a 12.929\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCc1nnc(NC(=O)CSc2nnc3c4ccccc4n(C)c3n2)s1
b: O=C(Nc1ccccc1)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1
Answer: b. O=C(Nc1ccccc1)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Nc1ccccc1)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1
O=C(Nc1ccccc1)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1
4-[(2,4-dinitronaphthalen-1-yl)amino]-N-phenylbenzamide