Task: Answer the multiple choice question.
Question: Which compound exhibits a -3.476\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCn1nc(C(=O)Nc2ccc3nc(C)sc3c2)c2ccccc2c1=O
b: COc1ccc(-c2nnc(SCC(=O)N(Cc3ccccc3)C(C)(C)C)o2)cc1OC
Answer: a. CCn1nc(C(=O)Nc2ccc3nc(C)sc3c2)c2ccccc2c1=O
{#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#}
CCn1nc(C(=O)Nc2ccc3nc(C)sc3c2)c2ccccc2c1=O
CCn1nc(C(=O)Nc2ccc3nc(C)sc3c2)c2ccccc2c1=O
3-ethyl-N-(2-methyl-1,3-benzothiazol-6-yl)-4-oxophthalazine-1-carboxamide