Task: Answer the MCQ question.
Question: Which drug exhibits a 11.838\% 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. C/C(=N\Nc1ccccc1)c1cc2ccccc2oc1=O
b. Cc1nc2ccc(C(=O)N3CCCC(CO)(Cc4ccc(F)cc4F)C3)cc2nc1C
Answer: a. C/C(=N\Nc1ccccc1)c1cc2ccccc2oc1=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#}
C/C(=N\Nc1ccccc1)c1cc2ccccc2oc1=O
C/C(=N\Nc1ccccc1)c1cc2ccccc2oc1=O
3-[(E)-N-anilino-C-methylcarbonimidoyl]chromen-2-one