Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -87.550\% 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: O=C1CC2(CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)Oc2ccccc21
b: CCCSc1nnc(-c2c[nH]c3ccccc23)n1C
c: CCOc1cc(/C=C2\C(=N)N3N=C(S(C)(=O)=O)SC3=NC2=O)ccc1OCCOc1cccc(OC)c1
Answer: a. O=C1CC2(CCN(C(=O)c3ccc([N+](=O)[O-])cc3)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)c3ccc([N+](=O)[O-])cc3)CC2)Oc2ccccc21
O=C1CC2(CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)Oc2ccccc21
1'-(4-nitrobenzoyl)spiro[3H-chromene-2,4'-piperidine]-4-one