Task: Answer the multiple-choice question.
Question: Which compound has a 18.025\% 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) Cc1cc(Cl)nc(SCC(=O)c2ccccc2)n1
(b) CCC(CC)C(=O)Nc1ccc(C)cc1O
(c) C/C(CC(=O)Nc1ccc(OCc2ccccc2)cc1)=N\NC(=O)C(=O)Nc1ccccc1C
(d) Cc1ccc(OCC(=O)Nc2ccc(CN3CCOCC3)cc2)cc1C
Answer: b. CCC(CC)C(=O)Nc1ccc(C)cc1O
{#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#}
2-ethyl-N-(2-hydroxy-4-methylphenyl)butanamide