Task: Answer the multiple choice question.
Question: Which drug has a 5.275\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cc1ccc(S(=O)(=O)N2CCN(S(=O)(=O)N3CCOCC3)CC2)cc1C
b) CCCC(=O)Nc1nnc(CC(=O)OCC)s1
Answer: b. CCCC(=O)Nc1nnc(CC(=O)OCC)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#}
ethyl 2-[5-(butanoylamino)-1,3,4-thiadiazol-2-yl]acetate