Task: Answer the MCQ question.
Question: Which compound has a 7.500\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COCCCNC(=O)/C=C/c1ccc(OCc2c(F)cccc2Cl)cc1
(b) CCCCNC(=O)c1c(O)c2cccc3c2n(c1=O)CCC3
(c) O=C(CSC1=Nc2ccccc2C2=NC(c3ccccc3)C(=O)N12)NC1CCCCC1
(d) CC1CCN(C(=O)CCc2nnc3ccc(NCc4ccco4)nn23)CC1
(e) COc1ccc(C2NC3=C(CCC3)C3(C#N)C(OC)(OC)N=C(N)C23C#N)cc1
Answer: d. CC1CCN(C(=O)CCc2nnc3ccc(NCc4ccco4)nn23)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#}
3-[6-(furan-2-ylmethylamino)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]-1-(4-methylpiperidin-1-yl)propan-1-one