Task: Answer the MCQ question.
Query: Which compound has a 12.472\% 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, or c without using any additional words.
Options:
a) Cn1c(CCCOc2ccc(Cl)cc2Cl)nnc1SCC(=O)Nc1nccs1
b) CN1CCN(S(=O)(=O)c2ccc(N3CCN(c4ccccc4Cl)CC3)nc2)CC1
c) O=C(CCCn1c(=O)[nH]c2ccc(Br)cc2c1=O)NCc1ccc(Cl)cc1
Answer: b. CN1CCN(S(=O)(=O)c2ccc(N3CCN(c4ccccc4Cl)CC3)nc2)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#}
CN1CCN(S(=O)(=O)c2ccc(N3CCN(c4ccccc4Cl)CC3)nc2)CC1
CN1CCN(S(=O)(=O)c2ccc(N3CCN(c4ccccc4Cl)CC3)nc2)CC1
1-[6-[4-(2-chlorophenyl)piperazin-1-yl]pyridin-3-yl]sulfonyl-4-methylpiperazine