Task: Answer the multiple-choice question.
Query: Which compound exhibits a 31.828\% 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) S=C(N/N=C/c1ccccc1Cl)Nc1cccc(Cl)c1Cl
(b) COc1ccc(CCNC(=O)C(=O)NCCOc2ccccc2Cl)cc1OC
(c) COc1cc2c(cc1OC)C(c1cccc([N+](=O)[O-])c1)NC(=O)C2
Answer: b. COc1ccc(CCNC(=O)C(=O)NCCOc2ccccc2Cl)cc1OC
{#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(CCNC(=O)C(=O)NCCOc2ccccc2Cl)cc1OC
COc1ccc(CCNC(=O)C(=O)NCCOc2ccccc2Cl)cc1OC
N'-[2-(2-chlorophenoxy)ethyl]-N-[2-(4,5-dimethoxyphenyl)ethyl]oxamide