Problem statement: Answer the MCQ question.
Question: Which drug has a 1.789\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCc1cccc(NC(=O)C2CCCN2S(=O)(=O)c2cccc3cccnc23)c1
b) O=C(c1cc2cc(Br)cc(Br)c2oc1=O)N1CCOCC1
Answer: b. O=C(c1cc2cc(Br)cc(Br)c2oc1=O)N1CCOCC1
{#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(c1cc2cc(Br)cc(Br)c2oc1=O)N1CCOCC1
O=C(c1cc2cc(Br)cc(Br)c2oc1=O)N1CCOCC1
6,8-dibromo-3-(morpholine-4-carbonyl)chromen-2-one