Problem statement: Answer the multiple choice question.
Query: Which compound has a -66.668\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. Cc1ccc(-c2nnn(CC(=O)NCCc3ccc4c(c3)OCO4)n2)cc1
b. CCOc1ccc(Nc2nc3c(C)cccc3cc2C#N)cc1
c. O=C1CC2(CCN(C(=O)c3cccc([N+](=O)[O-])c3)CC2)Oc2ccccc21
d. O=C1N=C(C=c2ccc(=Cc3[nH]c(=O)[nH]c3O)cc2)C(=O)N1
Answer: c. O=C1CC2(CCN(C(=O)c3cccc([N+](=O)[O-])c3)CC2)Oc2ccccc21
{#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#}
O=C1CC2(CCN(C(=O)c3cccc([N+](=O)[O-])c3)CC2)Oc2ccccc21
O=C1CC2(CCN(C(=O)c3cccc([N+](=O)[O-])c3)CC2)Oc2ccccc21
1'-(3-nitrobenzoyl)spiro[3H-chromene-2,4'-piperidine]-4-one