Task: Answer the MCQ question.
Query: Which compound has a 21.653\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) COCCn1c(NCc2ccco2)nc2c1c(=O)[nH]c(=O)n2C
b) Cc1onc(-c2ccccc2)c1C(N)=O
c) COc1cccc(C(=O)NNC(=O)c2ccccc2-n2cccc2)c1
d) O=C(c1ccc2ccccc2n1)N1CCN(c2ccccn2)CC1
e) CC1CC(C)CN(C(=O)COC(=O)CCc2nc3ccccc3c(=O)[nH]2)C1
Answer: a. COCCn1c(NCc2ccco2)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#}
COCCn1c(NCc2ccco2)nc2c1c(=O)[nH]c(=O)n2C
COCCn1c(NCc2ccco2)nc2c1c(=O)[nH]c(=O)n2C
8-(furan-2-ylmethylamino)-7-(2-methoxyethyl)-3-methylpurine-2,6-dione