Task: Answer the multiple-choice question.
Query: Which compound has a 3.694\% 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) CCOC(=O)CNC(=O)CSc1cc(C)nc2ccc(OC)cc12
(b) Cc1cc(NC2CCCC2)n2ncc(-c3ccccc3)c2n1
Answer: b. Cc1cc(NC2CCCC2)n2ncc(-c3ccccc3)c2n1
{#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#}
Cc1cc(NC2CCCC2)n2ncc(-c3ccccc3)c2n1
Cc1cc(NC2CCCC2)n2ncc(-c3ccccc3)c2n1
N-cyclopentyl-5-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine