Problem statement: Answer the multiple-choice question.
Query: Which compound has a -27.197\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCN(CC)CCn1c(=S)[nH]c2ccc(Br)cc2c1=O
[b] COc1ccc(/C=C2/SC(=O)N(CC(=O)Nc3cc(C)on3)C2=O)cc1OC
[c] Cc1nn(C(C)(C)C)c(NC(=O)c2ccccc2)c1C#N
[d] CC(=O)N1c2ccc(S(=O)(=O)N3CCC(C(=O)Nc4ncccc4C)CC3)cc2CC1C
Answer: a. CCN(CC)CCn1c(=S)[nH]c2ccc(Br)cc2c1=O
{#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#}
CCN(CC)CCn1c(=S)[nH]c2ccc(Br)cc2c1=O
CCN(CC)CCn1c(=S)[nH]c2ccc(Br)cc2c1=O
6-bromo-3-[2-(diethylamino)ethyl]-2-sulfanylidene-1H-quinazolin-4-one