Problem statement: Answer the MCQ question.
Question: Which compound has a 6.206\% 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: COCCN1C(=O)N(C)[C@@H](c2ccccc2)C(C(C)=O)=C1C
b: OCC1CCCN(C(=S)Nc2ccc(Oc3ccccc3)cc2)C1
Answer: a. COCCN1C(=O)N(C)[C@@H](c2ccccc2)C(C(C)=O)=C1C
{#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#}
COCCN1C(=O)N(C)[C@@H](c2ccccc2)C(C(C)=O)=C1C
COCCN1C(=O)N(C)[C@@H](c2ccccc2)C(C(C)=O)=C1C
(4S)-5-acetyl-1-(2-methoxyethyl)-3,6-dimethyl-4-phenyl-4H-pyrimidin-2-one