Task: Answer the multiple-choice question.
Question: Which compound exhibits a 2.150% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOCCCNC(=O)C(NC(=O)CNC(C)=O)c1ccc(Cl)cc1
(b) CCOC(=O)N1c2ccccc2Sc2ccccc21
Answer: b. CCOC(=O)N1c2ccccc2Sc2ccccc21
{#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#}
CCOC(=O)N1c2ccccc2Sc2ccccc21
CCOC(=O)N1c2ccccc2Sc2ccccc21
ethyl phenothiazine-10-carboxylate