Task: Answer the multiple choice question.
Query: Which drug has a 4.377\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCOc1ccc(NC(=O)NC2CCS(=O)(=O)C2)cc1
b. CCOc1ccccc1-c1nc(-c2ccc(NC(=O)Cc3ccccc3OC)cc2)no1
c. O=S(=O)(Nc1ccc(S(=O)(=O)N2CCCCC2)cc1)c1ccc(Br)s1
d. COc1ccccc1NC(=O)CSc1nnc(-c2ccco2)n1N
Answer: a. CCOc1ccc(NC(=O)NC2CCS(=O)(=O)C2)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#}
CCOc1ccc(NC(=O)NC2CCS(=O)(=O)C2)cc1
CCOc1ccc(NC(=O)NC2CCS(=O)(=O)C2)cc1
1-(1,1-dioxothiolan-3-yl)-3-(4-ethoxyphenyl)urea