Task: Answer the multiple choice question.
Question: Which compound has a 15.917\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CC(=O)NC(c1ccc(Cl)cc1)c1c(O)ccc2ccc(O)cc12
b: O=C(O)CN1C(=O)NC2(CCCc3ccccc32)C1=O
Answer: b. O=C(O)CN1C(=O)NC2(CCCc3ccccc32)C1=O
{#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(O)CN1C(=O)NC2(CCCc3ccccc32)C1=O
O=C(O)CN1C(=O)NC2(CCCc3ccccc32)C1=O
2-(2',5'-dioxospiro[2,3-dihydro-1H-naphthalene-4,4'-imidazolidine]-1'-yl)aceticacid