Problem statement: Answer the MCQ question.
Query: Which compound has a 12.201\% 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: CC1(C)CC(=O)C2=C(C1)Nc1ccccc1S2
b: COc1ccccc1C(=O)C1CCCN(Cc2cccc3nccnc23)C1
Answer: a. CC1(C)CC(=O)C2=C(C1)Nc1ccccc1S2
{#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)CC(=O)C2=C(C1)Nc1ccccc1S2
CC1(C)CC(=O)C2=C(C1)Nc1ccccc1S2
2,2-dimethyl-3,10-dihydro-1H-phenothiazin-4-one