Problem statement: Answer the multiple-choice question.
Query: Which drug has a -4.434\% 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) O=C(Nc1ccc2oc(=O)ccc2c1)c1ccco1
(b) CCOc1ccc(Oc2cc(N)cc([N+](=O)[O-])c2)cc1
Answer: a. O=C(Nc1ccc2oc(=O)ccc2c1)c1ccco1
{#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=C(Nc1ccc2oc(=O)ccc2c1)c1ccco1
O=C(Nc1ccc2oc(=O)ccc2c1)c1ccco1
N-(2-oxochromen-6-yl)furan-2-carboxamide