Task: Answer the multiple-choice question.
Question: Which compound has a -1.729\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CC(OC(=O)c1ccccc1C(=O)N(C)C1CCCCC1)C(=O)NC1(C#N)CCCCC1
b. O=C(Nc1cccc2ncccc12)c1ccc(-c2ccc(Br)cc2)o1
Answer: b. O=C(Nc1cccc2ncccc12)c1ccc(-c2ccc(Br)cc2)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(Nc1cccc2ncccc12)c1ccc(-c2ccc(Br)cc2)o1
O=C(Nc1cccc2ncccc12)c1ccc(-c2ccc(Br)cc2)o1
5-(4-bromophenyl)-N-quinolin-5-ylfuran-2-carboxamide