Task: Answer the multiple-choice question.
Question: Which drug has a 12.836\% 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) Nc1nc(Nc2ccccc2F)sc1C(=O)c1ccccc1
(b) COc1ccc(N2C(=O)C(Cl)=C(N3CCOCC3)C2=O)cc1
(c) CC(=NCc1ccco1)c1c(O)n(-c2ccccc2C)c(=O)[nH]c1=O
(d) CCOC(=O)c1cnn(-c2ccccc2)c1NC(=O)CCl
Answer: d. CCOC(=O)c1cnn(-c2ccccc2)c1NC(=O)CCl
{#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#}
CCOC(=O)c1cnn(-c2ccccc2)c1NC(=O)CCl
CCOC(=O)c1cnn(-c2ccccc2)c1NC(=O)CCl
ethyl5-[(2-chloroacetyl)amino]-1-phenylpyrazole-4-carboxylate