Problem statement: Answer the MCQ question.
Question: Which compound has a -20.457\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cn1c(=O)n(C)c2cc(NC(=O)c3ccccc3[N+](=O)[O-])c(Br)cc21
(b) CC(C)COc1ccc(Cc2c(O)[nH]c(=S)[nH]c2=O)cc1
(c) CCCCCCn1c(N2CCN(c3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
Answer: c. CCCCCCn1c(N2CCN(c3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
{#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#}
CCCCCCn1c(N2CCN(c3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
CCCCCCn1c(N2CCN(c3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
7-hexyl-3-methyl-8-(4-phenylpiperazin-1-yl)purine-2,6-dione