Task: Answer the multiple choice question.
Question: Which compound has a -2.295\% human ether-à-go-go related gene (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)c1cc2n(c1N)-c1ccccc1C2=O
b CCn1c(C)[n+](CC)c2ccc(C(=O)N(C)c3ccccc3)cc21.[I-]
Answer: a. CCOC(=O)c1cc2n(c1N)-c1ccccc1C2=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#}
CCOC(=O)c1cc2n(c1N)-c1ccccc1C2=O
CCOC(=O)c1cc2n(c1N)-c1ccccc1C2=O
ethyl 1-amino-4-oxopyrrolo[1,2-a]indole-2-carboxylate