Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -1.803\% 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 other words.
Options:
(a) Cc1ccc(S(=O)(=O)N2CCc3ccccc3C2)cc1C
(b) CC(C)CCN1CCN(CCCc2ccccc2)CC1CCO
(c) COc1ccc(NS(=O)(=O)c2ccc(NC(=S)NC(=O)c3ccc(Br)cc3)cc2)nn1
(d) Cc1cccc(C2NC(=O)c3ccccc3O2)c1
Answer: b. CC(C)CCN1CCN(CCCc2ccccc2)CC1CCO
{#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#}
CC(C)CCN1CCN(CCCc2ccccc2)CC1CCO
CC(C)CCN1CCN(CCCc2ccccc2)CC1CCO
2-[1-(3-methylbutyl)-4-(3-phenylpropyl)piperazin-2-yl]ethanol