Task: Answer the multiple-choice question.
Question: Which compound has a -1.647\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) Cc1cc(C)nc(/N=C(\N)N2CCc3ccccc32)n1
b) CCOC(=O)c1cc2cc(OC)ccc2nc1C
c) CCCCCCCn1ccc(=N)cc1.I
Answer: b. CCOC(=O)c1cc2cc(OC)ccc2nc1C
{#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#}
CCOC(=O)c1cc2cc(OC)ccc2nc1C
CCOC(=O)c1cc2cc(OC)ccc2nc1C
ethyl 6-methoxy-2-methylquinoline-3-carboxylate