Task: Answer the multiple-choice question.
Query: Which drug exhibits a 18.672\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COc1ccc(C2=NOC(C(=O)Nc3cc(Br)ccc3O)C2)cc1OC
b COc1ccc(NC(=O)CCN2C(=O)c3ccncc3C2=O)cc1OC
Answer: a. COc1ccc(C2=NOC(C(=O)Nc3cc(Br)ccc3O)C2)cc1OC
{#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#}
COc1ccc(C2=NOC(C(=O)Nc3cc(Br)ccc3O)C2)cc1OC
COc1ccc(C2=NOC(C(=O)Nc3cc(Br)ccc3O)C2)cc1OC
N-(5-bromo-2-hydroxyphenyl)-3-(4,5-dimethoxyphenyl)-4,5-dihydro-1,2-oxazole-5-carboxamide