Task: Answer the multiple-choice question.
Query: Which compound exhibits a 18.991\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) COc1ccc(NC(=O)CSc2nncn2C)cc1OC
b) Cc1cc(C)c2cc(C#N)c(N3CCCC3)nc2c1
c) Cc1ccccc1NC(=O)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1
d) O=C1CC(O)(C(F)F)Oc2ccc3ccccc3c21
Answer: c. Cc1ccccc1NC(=O)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)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#}
Cc1ccccc1NC(=O)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1
Cc1ccccc1NC(=O)c1ccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1
[C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][=C][C][=C][Branch2][Ring1][=C][N][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][C][=C][C][=C][Ring1][S][Ring1][=Branch1][C][=C][Ring2][Ring1][#Branch1]
4-[(2,4-dinitronaphthalen-1-yl)amino]-N-(2-methylphenyl)benzamide