Task: Answer the MCQ question.
Question: Which drug has a -49.380% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCCCn1c(N2CCC(Cc3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
[b] CCOC(=O)C(CSCC(=O)c1ccc(Br)cc1)NC(=O)OC(C)(C)C
[c] O=C(NCCc1csc(-c2ccccc2)n1)c1cccs1
[d] O=C(Nc1cccc(Cl)c1)Nc1ccccc1C(=O)O
Answer: a. CCCCn1c(N2CCC(Cc3ccccc3)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_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#}
CCCCn1c(N2CCC(Cc3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
CCCCn1c(N2CCC(Cc3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
8-(4-benzylpiperidin-1-yl)-7-butyl-3-methylpurine-2,6-dione