Task: Answer the MCQ question.
Question: Which drug has a 2.296\% 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 additional words.
Options:
(a) O=C(C1=C(O)C(=O)N(CC2CCCO2)C1c1ccc(Cl)cc1)c1ccco1
(b) Cc1cc(-c2ccccc2)c(C#N)c(N)n1
(c) COc1ccc(NS(=O)(=O)c2cccc(NC(=O)COc3ccc(OC)cc3)c2)cc1
(d) CCOC(=O)C1(Cc2ccc(OC)cc2)CCN(C(=O)c2cccc3nccnc23)CC1
Answer: d. CCOC(=O)C1(Cc2ccc(OC)cc2)CCN(C(=O)c2cccc3nccnc23)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)C1(Cc2ccc(OC)cc2)CCN(C(=O)c2cccc3nccnc23)CC1
CCOC(=O)C1(Cc2ccc(OC)cc2)CCN(C(=O)c2cccc3nccnc23)CC1
ethyl 4-[(4-methoxyphenyl)methyl]-1-(quinoxaline-5-carbonyl)piperidine-4-carboxylate