Task: Answer the MCQ question.
Query: Which drug has a -26.637% 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 other words.
Options:
[a] COCCNC(=S)N/N=C(\C)c1ccc(C)c([N+](=O)[O-])c1
[b] CCNc1nc(NCC)n2c(SCC(=O)N3CC4(C)CC3CC(C)(C)C4)nnc2n1
[c] Cc1nn(-c2ccccc2)c(N2CCCC2)c1/C=N/Nc1ccc(S(=O)(=O)Nc2ccccc2)cc1[N+](=O)[O-]
[d] O=C(COc1ccc(/C=N/NC(=O)C(=O)N2CCCCC2)cc1)Nc1ccccc1Cl
Answer: a. COCCNC(=S)N/N=C(\C)c1ccc(C)c([N+](=O)[O-])c1
{#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#}
COCCNC(=S)N/N=C(\C)c1ccc(C)c([N+](=O)[O-])c1
COCCNC(=S)N/N=C(\C)c1ccc(C)c([N+](=O)[O-])c1
1-(2-methoxyethyl)-3-[(E)-1-(4-methyl-3-nitrophenyl)ethylideneamino]thiourea