Task: Answer the multiple choice question.
Question: Which compound has a 0.666\% 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 other words.
Options:
a O=C(C[N+]12CCC(CC1)C(CO)C2)c1ccc(Br)cc1.[Br-]
b Cc1ccc(-c2nn3nnnc3c3ccccc23)cc1C
Answer: a. O=C(C[N+]12CCC(CC1)C(CO)C2)c1ccc(Br)cc1.[Br-]
{#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(C[N+]12CCC(CC1)C(CO)C2)c1ccc(Br)cc1.[Br-]
O=C(C[N+]12CCC(CC1)C(CO)C2)c1ccc(Br)cc1.[Br-]
1-(4-bromophenyl)-2-[3-(hydroxymethyl)-1-azoniabicyclo[2.2.2]octan-1-yl]ethanone;bromide