Task: Answer the multiple choice question.
Query: Which drug exhibits a 18.805\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(c1ccccc1)N1CN2CN(C(=O)c3ccccc3)CC([N+](=O)[O-])(C2)C1
b. COc1ccc(C(=O)COC(=O)Cn2[nH]c(=O)c3ccccc3c2=O)c(OC)c1
c. COc1cc(C(=O)NCC(c2ccco2)N2CCCC2)ccc1OCc1ccccc1
Answer: a. O=C(c1ccccc1)N1CN2CN(C(=O)c3ccccc3)CC([N+](=O)[O-])(C2)C1
{#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=C(c1ccccc1)N1CN2CN(C(=O)c3ccccc3)CC([N+](=O)[O-])(C2)C1
O=C(c1ccccc1)N1CN2CN(C(=O)c3ccccc3)CC([N+](=O)[O-])(C2)C1
(7-benzoyl-5-nitro-1,3,7-triazabicyclo[3.3.1]nonan-3-yl)-phenylmethanone