Task: Answer the multiple-choice question.
Question: Which compound exhibits a 18.189\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] CCN1CCN(c2ccc(N)cc2C)CC1.Cl
[b] CC(=O)c1c(C)[nH]c(C2=NNC(=NCc3ccccc3)SC2)c1C
[c] CC1(C)CC(NCc2cccc([N+](=O)[O-])c2)CC(C)(C)N1.Cl
[d] CC(C)NC(=S)N1CCN(C/C=C/c2ccccc2)CC1
[e] O=C(CN1CCN(S(=O)(=O)c2ccc(F)cc2)CC1)NCC1(N2CCOCC2)CCCCC1
Answer: b. CC(=O)c1c(C)[nH]c(C2=NNC(=NCc3ccccc3)SC2)c1C
{#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#}
CC(=O)c1c(C)[nH]c(C2=NNC(=NCc3ccccc3)SC2)c1C
CC(=O)c1c(C)[nH]c(C2=NNC(=NCc3ccccc3)SC2)c1C
1-[5-(2-benzylimino-3,6-dihydro-1,3,4-thiadiazin-5-yl)-2,4-dimethyl-1H-pyrrol-3-yl]ethanone