Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 19.457\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOC(=O)CSc1nc2cc(C(=O)N3CCCC3)ccc2c(=O)n1Cc1ccccc1
b. O=[N+]([O-])c1ccc2c(c1)oc1ccccc12
Answer: b. O=[N+]([O-])c1ccc2c(c1)oc1ccccc12
{#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=[N+]([O-])c1ccc2c(c1)oc1ccccc12
O=[N+]([O-])c1ccc2c(c1)oc1ccccc12
3-nitrodibenzofuran