Problem statement: Answer the multiple-choice question.
Question: Which compound has a 16.672\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CNC(=O)CN1C(=O)NC2(CCc3ccccc3C2)C1=O
(b) COc1ccc(CNC(=O)Cn2nc([N+](=O)[O-])c(Br)c2C)cc1
Answer: a. CNC(=O)CN1C(=O)NC2(CCc3ccccc3C2)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#}
CNC(=O)CN1C(=O)NC2(CCc3ccccc3C2)C1=O
CNC(=O)CN1C(=O)NC2(CCc3ccccc3C2)C1=O
2-(2',5'-dioxospiro[2,4-dihydro-1H-naphthalene-3,4'-imidazolidine]-1'-yl)-N-methylacetamide