Problem statement: Answer the multiple-choice question.
Query: Which compound has a 2.128\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) N=c1oc2cc(O)ccc2cc1C(=O)Nc1ccc(Br)cc1
(b) COC(=O)c1cc(OC)c(OC)cc1NC(=O)C1CCCO1
Answer: a. N=c1oc2cc(O)ccc2cc1C(=O)Nc1ccc(Br)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#}
N=c1oc2cc(O)ccc2cc1C(=O)Nc1ccc(Br)cc1
N=c1oc2cc(O)ccc2cc1C(=O)Nc1ccc(Br)cc1
N-(4-bromophenyl)-7-hydroxy-2-iminochromene-3-carboxamide