Task: Answer the multiple-choice question.
Query: Which compound exhibits a -5.679% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CCc1c(C)c(C#N)c2nc3ccccc3n2c1NCCN(C)C
b: O=C1CC(N2CCC(n3c(=O)[nH]c4ccccc43)CC2)C(=O)N1c1ccc(F)cc1
c: COc1ccc(NC(=O)C(=O)NCC2CCCN2S(=O)(=O)c2ccc(C)cc2)cc1
d: COc1ccc(C(=O)CC(c2ccccc2)C2CCCCC2=O)cc1
e: O=C(O)c1ccc(N2C(=O)/C(=C/C=C/c3ccccc3)SC2=S)cc1
Answer: a. CCc1c(C)c(C#N)c2nc3ccccc3n2c1NCCN(C)C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCc1c(C)c(C#N)c2nc3ccccc3n2c1NCCN(C)C
CCc1c(C)c(C#N)c2nc3ccccc3n2c1NCCN(C)C
1-[2-(dimethylamino)ethylamino]-2-ethyl-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile