Task: Answer the MCQ question.
Query: Which drug exhibits a 2.667\% 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.) CCOC(=O)c1ccccc1NC(=O)CSc1nc2ccccc2o1
b.) CCOc1ccc(N(CC(=O)N2CCc3ccccc32)S(=O)(=O)c2c(C)noc2C)cc1
Answer: a. CCOC(=O)c1ccccc1NC(=O)CSc1nc2ccccc2o1
{#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-[[2-(1,3-benzoxazol-2-ylsulfanyl)acetyl]amino]benzoate