Task: Answer the multiple choice question.
Question: Which compound has a 1.939\% 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. CCOC(=O)Cc1csc(NC(=O)CCc2ccccc2)n1
b. CCc1nnc(NC(=O)CSc2ccc(Cl)cc2)s1
c. COc1cc2c(cc1OC)/C(=C/C(=O)c1ccc(NC(C)=O)cc1)NCC2
Answer: b. CCc1nnc(NC(=O)CSc2ccc(Cl)cc2)s1
{#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#}
CCc1nnc(NC(=O)CSc2ccc(Cl)cc2)s1
CCc1nnc(NC(=O)CSc2ccc(Cl)cc2)s1
2-(4-chlorophenyl)sulfanyl-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide