Task: Answer the MCQ question.
Query: Which drug exhibits a -8.900\% 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: O=[N+]([O-])c1ccc(S(=O)(=O)NCC(c2ccco2)N2CCc3ccccc3C2)cc1
b: CCOC(=O)c1[nH]c2ccc(OCC)cc2c1NC(=O)CN1CCN(c2ccccn2)CC1
c: COc1ccc2c(-c3ccccc3)cc(SCC(=O)NC(N)=O)nc2c1
d: COc1ccc2[nH]c(=O)c(CN(C(=O)c3ccco3)C(C)C)cc2c1
e: CC#CC[N+](C)(C)CCCCCCCCCCCC.[Br-]
Answer: b. CCOC(=O)c1[nH]c2ccc(OCC)cc2c1NC(=O)CN1CCN(c2ccccn2)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#}
CCOC(=O)c1[nH]c2ccc(OCC)cc2c1NC(=O)CN1CCN(c2ccccn2)CC1
CCOC(=O)c1[nH]c2ccc(OCC)cc2c1NC(=O)CN1CCN(c2ccccn2)CC1
ethyl 5-ethoxy-3-[[2-(4-pyridin-2-ylpiperazin-1-yl)acetyl]amino]-1H-indole-2-carboxylate