Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 1.806\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=C(COc1ccc2ccccc2c1)NNC(=O)c1ccc([N+](=O)[O-])cc1
(b) O=C(COc1ccccc1)Nc1ccc(NC(=O)c2ccco2)cc1
(c) CN1CCN(C(=O)c2cccc(NS(=O)(=O)c3ccc(Br)cc3)c2)CC1.Cl
(d) CC(C)(C)N(NC(=O)c1ccccc1)C(=O)c1ccc(C(=O)N(NC(=O)c2ccccc2)C(C)(C)C)cc1
(e) Cc1nn(-c2ccccc2)nc1C(=O)OCC(=O)N1CCC(C)CC1
Answer: a. O=C(COc1ccc2ccccc2c1)NNC(=O)c1ccc([N+](=O)[O-])cc1
{#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(COc1ccc2ccccc2c1)NNC(=O)c1ccc([N+](=O)[O-])cc1
O=C(COc1ccc2ccccc2c1)NNC(=O)c1ccc([N+](=O)[O-])cc1
N'-(2-naphthalen-2-yloxyacetyl)-4-nitrobenzohydrazide