Task: Answer the multiple-choice question.
Query: Which compound has a 18.292\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COc1ccc(-c2nnc3n2N=C(C)CS3)cc1OC
(b) Cc1cccc(OCc2nc(C#N)c(NCc3ccc4c(c3)OCO4)o2)c1
(c) COc1ccc(Cl)cc1NC(=O)CCc1nnc2ccc(N3CCN(C)CC3)nn12
(d) O=C(NCc1cccnc1)c1ccc(Br)o1
(e) CCC(=O)Nc1ccc(NC(=O)CSc2nnnn2CC)cc1C
Answer: d. O=C(NCc1cccnc1)c1ccc(Br)o1
{#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#}
O=C(NCc1cccnc1)c1ccc(Br)o1
O=C(NCc1cccnc1)c1ccc(Br)o1
5-bromo-N-(pyridin-3-ylmethyl)furan-2-carboxamide