Task: Answer the MCQ question.
Query: Which drug exhibits a 4.873\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCn1nc(C)c(CN2CCN(Cc3cccc(OC)c3)C(CCO)C2)c1C
(b) CC(C)c1nc2sc3c(=O)[nH]cnc3c2c2c1CCC2
(c) Br.CCCCCCCCCCn1ccc(=N)cc1
Answer: a. CCn1nc(C)c(CN2CCN(Cc3cccc(OC)c3)C(CCO)C2)c1C
{#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#}
CCn1nc(C)c(CN2CCN(Cc3cccc(OC)c3)C(CCO)C2)c1C
CCn1nc(C)c(CN2CCN(Cc3cccc(OC)c3)C(CCO)C2)c1C
2-[4-[(1-ethyl-3,5-dimethylpyrazol-4-yl)methyl]-1-[(3-methoxyphenyl)methyl]piperazin-2-yl]ethanol