Problem statement: Answer the multiple-choice question.
Question: Which compound has a -6.512\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCn1cc([N+](=O)[O-])c(C(=O)Nc2ccc(Cn3nc(C)cc3C)cc2)n1
(b) O=C1CCC(=O)N1OCCOc1ccc2c(c1)CCC2
Answer: b. O=C1CCC(=O)N1OCCOc1ccc2c(c1)CCC2
{#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=C1CCC(=O)N1OCCOc1ccc2c(c1)CCC2
O=C1CCC(=O)N1OCCOc1ccc2c(c1)CCC2
1-[2-(2,3-dihydro-1H-inden-5-yloxy)ethoxy]pyrrolidine-2,5-dione