Task: Answer the multiple-choice question.
Query: Which drug exhibits a -16.780% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(NCCN1CCOCC1)c1noc2c1CCc1ccccc1-2
[b] CCOC(=O)CN(C(=O)CSc1nnc(-c2cccc(OC)c2)o1)c1ccc(F)cc1
Answer: a. O=C(NCCN1CCOCC1)c1noc2c1CCc1ccccc1-2
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(NCCN1CCOCC1)c1noc2c1CCc1ccccc1-2
O=C(NCCN1CCOCC1)c1noc2c1CCc1ccccc1-2
N-(2-morpholin-4-ylethyl)-4,5-dihydrobenzo[g][1,2]benzoxazole-3-carboxamide