Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -6.776% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C1NCCNC(=O)c2ccccc2OCCOc2ccccc21
(b) COc1cccc2c(=O)n(CC(=O)NCCc3ccccc3)ccc12
Answer: a. O=C1NCCNC(=O)c2ccccc2OCCOc2ccccc21
{#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=C1NCCNC(=O)c2ccccc2OCCOc2ccccc21
O=C1NCCNC(=O)c2ccccc2OCCOc2ccccc21
2,5-dioxa-13,16-diazatricyclo[16.4.0.06,11]docosa-1(22),6,8,10,18,20-hexaene-12,17-dione