Task: Answer the MCQ question.
Query: Which drug has a 18.418% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCn1c(SCC(=O)Nc2cc(C)on2)nnc1-c1ccc(S(=O)(=O)N2CCCC2)cc1
b: COc1cccc(COC(=O)c2ccc3c(c2)NC(=O)C(C)S3)c1OC
Answer: b. COc1cccc(COC(=O)c2ccc3c(c2)NC(=O)C(C)S3)c1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cccc(COC(=O)c2ccc3c(c2)NC(=O)C(C)S3)c1OC
COc1cccc(COC(=O)c2ccc3c(c2)NC(=O)C(C)S3)c1OC
(2,3-dimethoxyphenyl)methyl 2-methyl-3-oxo-4H-1,4-benzothiazine-6-carboxylate