Task: Answer the multiple-choice question.
Question: Which compound has a -16.714\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1nn(-c2ccc([N+](=O)[O-])cc2)c2c1C(c1cccc(Br)c1)N1C(=N2)C(=O)Nc2ccccc21
(b) COc1cc(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)ccc1OC(F)F
Answer: b. COc1cc(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)ccc1OC(F)F
{#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#}
COc1cc(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)ccc1OC(F)F
COc1cc(C(=O)COC(=O)c2cc([N+](=O)[O-])ccc2N2CCOCC2)ccc1OC(F)F
[2-[4-(difluoromethoxy)-3-methoxyphenyl]-2-oxoethyl] 2-morpholin-4-yl-5-nitrobenzoate