Task: Answer the MCQ question.
Query: Which drug has a -4.975\% 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) COc1ccc(-c2csc(Cc3nnc4n3CCCCC4)n2)cc1
(b) CN(C)CCN(Cc1ccccc1)c1ccnc(N(C)C)c1C#N
(c) Nc1ccccc1Nc1cc(-c2cccc(Cl)c2)nn1-c1ccccc1
Answer: b. CN(C)CCN(Cc1ccccc1)c1ccnc(N(C)C)c1C#N
{#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#}
CN(C)CCN(Cc1ccccc1)c1ccnc(N(C)C)c1C#N
CN(C)CCN(Cc1ccccc1)c1ccnc(N(C)C)c1C#N
4-[benzyl-[2-(dimethylamino)ethyl]amino]-2-(dimethylamino)pyridine-3-carbonitrile