Problem statement: Answer the multiple-choice question.
Query: Which compound has a -21.137\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CCOC(=O)C1CCCN(c2c(NCCc3cccc(C)c3)c(=O)c2=O)C1
b: COc1ccccc1N1CCN(C2=Nc3cccc4cccc2c34)CC1
c: CCCc1cc(=O)[nH]c(SCC(=O)N2CCN(S(=O)(=O)c3ccccc3)CC2)n1
d: O=C(CCS(=O)(=O)c1ccc(Br)cc1)NC1CCCCCC1
e: Cc1cc(NC(=O)CN2CCN(c3ccc(O)cc3)CC2)no1
Answer: b. COc1ccccc1N1CCN(C2=Nc3cccc4cccc2c34)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(C2=Nc3cccc4cccc2c34)CC1
COc1ccccc1N1CCN(C2=Nc3cccc4cccc2c34)CC1
2-[4-(2-methoxyphenyl)piperazin-1-yl]benzo[cd]indole