Task: Answer the MCQ question.
Query: Which drug has a -15.878\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccc2c(c1)C(C1CCN(C)CC1)Oc1ccccc1S2.O=C(O)/C=C\C(=O)O
b: O=C(Nc1ccccc1N1CCCC1)C1CCN(C(=O)c2ccc(Cl)cc2)CC1
Answer: b. O=C(Nc1ccccc1N1CCCC1)C1CCN(C(=O)c2ccc(Cl)cc2)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#}
O=C(Nc1ccccc1N1CCCC1)C1CCN(C(=O)c2ccc(Cl)cc2)CC1
O=C(Nc1ccccc1N1CCCC1)C1CCN(C(=O)c2ccc(Cl)cc2)CC1
1-(4-chlorobenzoyl)-N-(2-pyrrolidin-1-ylphenyl)piperidine-4-carboxamide