Task: Answer the multiple-choice question.
Query: Which compound has a 19.593\% 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 Cc1cccc(C)c1N1CCN(CCn2c(=S)[nH]c3ccccc3c2=O)CC1
b CC1CCN(C2(O)C(=O)Nc3ccc([N+](=O)[O-])cc32)CC1
c COc1ccc(-n2c(=S)[nH]c3cc(C(=O)NCc4ccccc4OC)ccc3c2=O)c(OC)c1
d COC(=O)CCN(C(=O)c1ccc(N2CCCCC2)c([N+](=O)[O-])c1)c1ccccn1
Answer: a. Cc1cccc(C)c1N1CCN(CCn2c(=S)[nH]c3ccccc3c2=O)CC1
{#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#}
Cc1cccc(C)c1N1CCN(CCn2c(=S)[nH]c3ccccc3c2=O)CC1
Cc1cccc(C)c1N1CCN(CCn2c(=S)[nH]c3ccccc3c2=O)CC1
3-[2-[4-(2,6-dimethylphenyl)piperazin-1-yl]ethyl]-2-sulfanylidene-1H-quinazolin-4-one