Task: Answer the MCQ question.
Question: Which drug has a 21.198\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a COc1ccccc1-n1cc(-c2ccc([N+](=O)[O-])cc2)[nH]c1=S
b CC(C)Cn1c(SCC(=O)Nc2ccc3c(c2)OCO3)nc2ccccc21
c CCCN1CCN(CCCNC(=O)c2ccc3nc(N4CCC(C)CC4)sc3c2)CC1
d CNC1=C([N+](=O)[O-])CC([N+](=O)[O-])=C(N2CCN(C(=O)Nc3ccccc3)CC2)N1C
e CCCn1c(=O)n(C)c(=O)c2c(SC(C)C(=O)NCC3CCCO3)nc(CC(C)C)nc21
Answer: e. CCCn1c(=O)n(C)c(=O)c2c(SC(C)C(=O)NCC3CCCO3)nc(CC(C)C)nc21
{#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#}
CCCn1c(=O)n(C)c(=O)c2c(SC(C)C(=O)NCC3CCCO3)nc(CC(C)C)nc21
CCCn1c(=O)n(C)c(=O)c2c(SC(C)C(=O)NCC3CCCO3)nc(CC(C)C)nc21
2-[3-methyl-7-(2-methylpropyl)-2,4-dioxo-1-propylpyrimido[4,5-d]pyrimidin-5-yl]sulfanyl-N-(oxolan-2-ylmethyl)propanamide