Task: Answer the multiple choice question.
Question: Which compound has a 2.919\% 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(Cc1ccccc1)NC(c1ccco1)c1c(O)ccc2ccccc12
(b) CCOC(=O)/C(C#N)=C/c1ccc(N2CCN(Cc3ccccc3)CC2)cc1
(c) Cc1ccc(OC(=O)c2cncc(Br)c2)c(C)c1
(d) CCn1cc(CN2CCN(Cc3ccsc3)C(CCO)C2)cn1
Answer: d. CCn1cc(CN2CCN(Cc3ccsc3)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#}
CCn1cc(CN2CCN(Cc3ccsc3)C(CCO)C2)cn1
CCn1cc(CN2CCN(Cc3ccsc3)C(CCO)C2)cn1
2-[4-[(1-ethylpyrazol-4-yl)methyl]-1-(thiophen-3-ylmethyl)piperazin-2-yl]ethanol