Task: Answer the MCQ question.
Query: Which compound exhibits a 15.625\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCOC(=O)C(C(=O)OCC)C(C[N+](=O)[O-])c1ccccc1
[b] CCCCCCSc1cc(-c2nc3cc(C)ccn3c2NCCCC)ccc1OC.O=C(O)C(F)(F)F
[c] CCc1nn(C(C)C(=O)N2CCc3ccccc3C2)c(=O)c2cc3occc3n12
Answer: a. CCOC(=O)C(C(=O)OCC)C(C[N+](=O)[O-])c1ccccc1
{#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#}
CCOC(=O)C(C(=O)OCC)C(C[N+](=O)[O-])c1ccccc1
CCOC(=O)C(C(=O)OCC)C(C[N+](=O)[O-])c1ccccc1
diethyl 2-(2-nitro-1-phenylethyl)propanedioate