Task: Answer the MCQ question.
Question: Which drug exhibits a 15.665\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(CSc1n[nH]c(-c2ccccc2)n1)Nc1ccccc1O
b C/C(=N\NC(=O)OC(C)(C)C)c1ccc[nH]1
c O=[N+]([O-])c1ccc(-c2nc(-c3cccs3)c(-c3cccs3)[nH]2)cc1
Answer: c. O=[N+]([O-])c1ccc(-c2nc(-c3cccs3)c(-c3cccs3)[nH]2)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=[N+]([O-])c1ccc(-c2nc(-c3cccs3)c(-c3cccs3)[nH]2)cc1
O=[N+]([O-])c1ccc(-c2nc(-c3cccs3)c(-c3cccs3)[nH]2)cc1
2-(4-nitrophenyl)-4,5-dithiophen-2-yl-1H-imidazole