Problem statement: Answer the multiple-choice question.
Query: Which drug has a 4.500\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(NCCCn1ccnc1)c1nc(Cn2cc(Br)cn2)no1
(b) O=C(NCCC1=CCCCC1)c1ccc(Br)o1
Answer: b. O=C(NCCC1=CCCCC1)c1ccc(Br)o1
{#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(NCCC1=CCCCC1)c1ccc(Br)o1
O=C(NCCC1=CCCCC1)c1ccc(Br)o1
5-bromo-N-[2-(cyclohexen-1-yl)ethyl]furan-2-carboxamide