Task: Answer the MCQ question.
Question: Which drug exhibits a 1.116\% hERG inhibition at 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)Cn1c2ccccc2c(=O)c2ccccc21
(b) CCOC(=O)C1C(C#N)=C(N)OC(C)=C1c1ccncc1
(c) COc1ccc(C(=O)Nc2ccc3c(c2)nc2n3CCSC2)cc1
Answer: b. CCOC(=O)C1C(C#N)=C(N)OC(C)=C1c1ccncc1
{#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)C1C(C#N)=C(N)OC(C)=C1c1ccncc1
CCOC(=O)C1C(C#N)=C(N)OC(C)=C1c1ccncc1
ethyl 2-amino-3-cyano-6-methyl-5-pyridin-4-yl-4H-pyran-4-carboxylate