Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 2.009\% 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] Cc1nn(-c2ccccc2)c(C)c1/C=N/NC(=O)c1cc(-c2ccc(Cl)s2)[nH]n1
[b] O=C1CCCC2=C1C(Cc1ccccc1)C1=C(CCCC1=O)O2
Answer: b. O=C1CCCC2=C1C(Cc1ccccc1)C1=C(CCCC1=O)O2
{#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#}
O=C1CCCC2=C1C(Cc1ccccc1)C1=C(CCCC1=O)O2
O=C1CCCC2=C1C(Cc1ccccc1)C1=C(CCCC1=O)O2
9-benzyl-3,4,5,6,7,9-hexahydro-2H-xanthene-1,8-dione