Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -0.989\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1cc(Br)ccc1OCCN1CCCC1.O=C(O)C(=O)O
b. CCCN1CCN(S(=O)(=O)c2c(C)[nH]c(C)c2C(=O)N2CCCCC2)CC1
Answer: b. CCCN1CCN(S(=O)(=O)c2c(C)[nH]c(C)c2C(=O)N2CCCCC2)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#}
CCCN1CCN(S(=O)(=O)c2c(C)[nH]c(C)c2C(=O)N2CCCCC2)CC1
CCCN1CCN(S(=O)(=O)c2c(C)[nH]c(C)c2C(=O)N2CCCCC2)CC1
[2,5-dimethyl-4-(4-propylpiperazin-1-yl)sulfonyl-1H-pyrrol-3-yl]-piperidin-1-ylmethanone