Task: Answer the multiple choice question.
Query: Which compound has a -5.461\% human ether-à-go-go related gene (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) COc1ccc(-c2cc3nc(C)cc(NCCO)n3n2)cc1
(b) C/C(=N\O)C1/C(=N/O)CC2C1C2(C)C
Answer: a. COc1ccc(-c2cc3nc(C)cc(NCCO)n3n2)cc1
{#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#}
2-[[2-(4-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-yl]amino]ethanol