Problem statement: Answer the MCQ question.
Query: Which compound has a 11.676\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COC(=O)c1cccc([N+](=O)[O-])c1CN1CCN(c2ccccc2)CC1
b. CCOc1ccccc1-n1c([S-])c(C(=O)Nc2ccc(OC)cc2)[n+]2cc(C)ccc12
c. CCOC(=O)CSc1nnc(-c2ccc(OC)cc2OC)o1
Answer: a. COC(=O)c1cccc([N+](=O)[O-])c1CN1CCN(c2ccccc2)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#}
COC(=O)c1cccc([N+](=O)[O-])c1CN1CCN(c2ccccc2)CC1
COC(=O)c1cccc([N+](=O)[O-])c1CN1CCN(c2ccccc2)CC1
methyl 3-nitro-2-[(4-phenylpiperazin-1-yl)methyl]benzoate