Task: Answer the MCQ question.
Question: Which drug exhibits a 13.295\% 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) CCC12CN(C(=O)c3ccc([N+](=O)[O-])cc3)CC(CC)(CN(C(=O)c3ccc([N+](=O)[O-])cc3)C1)C2=O
(b) CC(c1ccccc1)n1c(S(=O)(=O)O)nc2ccccc21
Answer: b. CC(c1ccccc1)n1c(S(=O)(=O)O)nc2ccccc21
{#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#}
CC(c1ccccc1)n1c(S(=O)(=O)O)nc2ccccc21
CC(c1ccccc1)n1c(S(=O)(=O)O)nc2ccccc21
1-(1-phenylethyl)benzimidazole-2-sulfonic acid