Task: Answer the multiple choice question.
Question: Which compound has a 6.774\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1ccc(S(=O)(=O)N2CCCC(C(=O)N3CCN(c4ccccc4)CC3)C2)cc1
b. COc1ccccc1N1CCN(C(=O)c2cc3cc(Br)ccc3oc2=O)CC1
Answer: b. COc1ccccc1N1CCN(C(=O)c2cc3cc(Br)ccc3oc2=O)CC1
{#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#}
COc1ccccc1N1CCN(C(=O)c2cc3cc(Br)ccc3oc2=O)CC1
COc1ccccc1N1CCN(C(=O)c2cc3cc(Br)ccc3oc2=O)CC1
6-bromo-3-[4-(2-methoxyphenyl)piperazine-1-carbonyl]chromen-2-one