Task: Answer the multiple choice question.
Question: Which compound has a 16.690\% 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) NC(=O)C1CCN(CC(=O)NCc2ccccc2)CC1
(b) CSc1ncc(CN2CCN(CC=C(C)C)C(CCO)C2)cn1
(c) Cc1ccc(-c2nnn(CC(=O)N(c3ccc4c(c3)OCCO4)C(C(=O)NCC3CCCO3)c3ccc(F)cc3)n2)o1
Answer: b. CSc1ncc(CN2CCN(CC=C(C)C)C(CCO)C2)cn1
{#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#}
CSc1ncc(CN2CCN(CC=C(C)C)C(CCO)C2)cn1
CSc1ncc(CN2CCN(CC=C(C)C)C(CCO)C2)cn1
2-[1-(3-methylbut-2-enyl)-4-[(2-methylsulfanylpyrimidin-5-yl)methyl]piperazin-2-yl]ethanol