Task: Answer the MCQ question.
Query: Which compound has a -0.216\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC(=O)c1c(C)nc2ccc(Br)cc2c1C(=O)O
b) O=C1OC(Nc2cc(Br)cc3cccnc23)c2ccccc21
Answer: b. O=C1OC(Nc2cc(Br)cc3cccnc23)c2ccccc21
{#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=C1OC(Nc2cc(Br)cc3cccnc23)c2ccccc21
O=C1OC(Nc2cc(Br)cc3cccnc23)c2ccccc21
3-[(6-bromoquinolin-8-yl)amino]-3H-2-benzofuran-1-one