Task: Answer the MCQ question.
Question: Which drug exhibits a 21.049\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1ccc(C(=O)Nc2ccccc2C(=O)NCc2cccnc2)cc1
b. CCc1nnc(NC(=O)CSc2nnc(C(C)NC(=O)c3ccccc3)n2C)s1
Answer: b. CCc1nnc(NC(=O)CSc2nnc(C(C)NC(=O)c3ccccc3)n2C)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)CSc2nnc(C(C)NC(=O)c3ccccc3)n2C)s1
CCc1nnc(NC(=O)CSc2nnc(C(C)NC(=O)c3ccccc3)n2C)s1
N-[1-[5-[2-[(5-ethyl-1,3,4-thiadiazol-2-yl)amino]-2-oxoethyl]sulfanyl-4-methyl-1,2,4-triazol-3-yl]ethyl]benzamide