Task: Answer the MCQ question.
Question: Which drug has a -54.980% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) CC(=O)c1c(C)n(CC2CCCO2)c2ccc(O)cc12
b.) CCOCCn1c(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)n(C)c(=O)n2C
c.) Cn1c(SCC(=O)NC2CCCC2)nnc1-c1cccs1
d.) COc1ccc(C(=O)N/C(=C\c2cccc([N+](=O)[O-])c2)C(=O)Nc2cccc(C(=O)O)c2)cc1
Answer: b. CCOCCn1c(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)n(C)c(=O)n2C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOCCn1c(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)n(C)c(=O)n2C
CCOCCn1c(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)n(C)c(=O)n2C
8-[[4-(3-chlorophenyl)piperazin-1-yl]methyl]-7-(2-ethoxyethyl)-1,3-dimethylpurine-2,6-dione