Task: Answer the multiple-choice question.
Query: Which compound has a -3.591\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC1(C)C(c2ccccc2)=[N+]([O-])CN1O
b) CCc1ccc(NC(=O)C(=O)NCCN2CCN(S(C)(=O)=O)CC2)cc1
Answer: a. CC1(C)C(c2ccccc2)=[N+]([O-])CN1O
{#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#}
CC1(C)C(c2ccccc2)=[N+]([O-])CN1O
CC1(C)C(c2ccccc2)=[N+]([O-])CN1O
3-hydroxy-4,4-dimethyl-1-oxido-5-phenyl-2H-imidazol-1-ium