Task: Answer the multiple-choice question.
Query: Which drug has a 1.749\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=C(COC(=O)Cc1ccccc1F)Nc1cccc(F)c1
b O=C(CC1C(=O)CCCC1=O)c1ccccc1
c CNC(=O)CSCc1cnn(-c2ccccc2)c1-n1cccc1
d ONC(=Nc1ccccc1)c1ccc(Cl)cc1
Answer: b. O=C(CC1C(=O)CCCC1=O)c1ccccc1
{#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=C(CC1C(=O)CCCC1=O)c1ccccc1
O=C(CC1C(=O)CCCC1=O)c1ccccc1
2-phenacylcyclohexane-1,3-dione