Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.662\% 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) COc1ccccc1N1C(=O)S/C(=C\c2ccc(C)s2)C1=O
(b) COc1ccc(NC(=O)NCCc2ccc(Cl)cc2)cc1OC
(c) O=C(CCS(=O)(=O)c1ccc(F)cc1)Nc1nc(-c2ccccn2)cs1
(d) Clc1ccc(CNc2ncccn2)cc1
Answer: b. COc1ccc(NC(=O)NCCc2ccc(Cl)cc2)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(NC(=O)NCCc2ccc(Cl)cc2)cc1OC
COc1ccc(NC(=O)NCCc2ccc(Cl)cc2)cc1OC
1-[2-(4-chlorophenyl)ethyl]-3-(3,4-dimethoxyphenyl)urea