Task: Answer the MCQ question.
Question: Which compound has a 2.697\% 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 CCCCCCCN1C(Nc2ccccc2)=NC[C@@H]1C
b Cn1cccc1/C=C1\CCC/C(=C\c2cccn2C)C1=O
Answer: b. Cn1cccc1/C=C1\CCC/C(=C\c2cccn2C)C1=O
{#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#}
Cn1cccc1/C=C1\CCC/C(=C\c2cccn2C)C1=O
Cn1cccc1/C=C1\CCC/C(=C\c2cccn2C)C1=O
(2E,6E)-2,6-bis[(1-methylpyrrol-2-yl)methylidene]cyclohexan-1-one