Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 2.100\% 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 additional words.
Options:
(a) COc1ccccc1NC(=O)COC(=O)/C=C/c1ccc2c(c1)OCO2
(b) N#C/C(=N\Nc1ccc(Br)cc1)C(=N)N1CCOCC1
(c) COc1ccc([N+](=O)[O-])cc1NC(=O)C(C)N(C)Cc1cccc(OC)c1OC
(d) O=C(Nc1ccccc1)OC1CCC2CC1CCC2OC(=O)Nc1ccccc1
Answer: c. COc1ccc([N+](=O)[O-])cc1NC(=O)C(C)N(C)Cc1cccc(OC)c1OC
{#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#}
COc1ccc([N+](=O)[O-])cc1NC(=O)C(C)N(C)Cc1cccc(OC)c1OC
COc1ccc([N+](=O)[O-])cc1NC(=O)C(C)N(C)Cc1cccc(OC)c1OC
2-[(2,3-dimethoxyphenyl)methyl-methylamino]-N-(2-methoxy-5-nitrophenyl)propanamide