Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.247\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(Cc1ccccc1)NCC(=O)Nc1cccc(Br)c1
b Cc1cc(NC(=O)COC(=O)c2cccc(O)c2)no1
Answer: a. O=C(Cc1ccccc1)NCC(=O)Nc1cccc(Br)c1
{#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(Cc1ccccc1)NCC(=O)Nc1cccc(Br)c1
O=C(Cc1ccccc1)NCC(=O)Nc1cccc(Br)c1
N-[2-(3-bromoanilino)-2-oxoethyl]-2-phenylacetamide