Task: Answer the multiple-choice question.
Question: Which drug has a 13.447\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(O)Cc1ccc(OCc2ccc(Cl)nc2)cc1
[b] CCOC(=O)CC(NC(=O)c1cc2cccc(OC)c2oc1=O)c1ccc(OC)cc1
[c] COc1ccc(C2N(C(=O)c3ccccc3)CCN2C(=O)c2ccc(C)cc2)cc1
Answer: b. CCOC(=O)CC(NC(=O)c1cc2cccc(OC)c2oc1=O)c1ccc(OC)cc1
{#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)CC(NC(=O)c1cc2cccc(OC)c2oc1=O)c1ccc(OC)cc1
CCOC(=O)CC(NC(=O)c1cc2cccc(OC)c2oc1=O)c1ccc(OC)cc1
N-[3-ethoxy-1-(4-methoxyphenyl)-3-oxopropyl]-8-methoxy-2-oxochromene-3-carboxamide