Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 2.165\% 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 additional words.
Options:
a) COc1cc2c(cc1OC)C(=O)NCC(C)(C)O2
b) Cc1c(C)n(Cc2ccccc2)c2ncnc(NN)c12
Answer: a. COc1cc2c(cc1OC)C(=O)NCC(C)(C)O2
{#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#}
COc1cc2c(cc1OC)C(=O)NCC(C)(C)O2
COc1cc2c(cc1OC)C(=O)NCC(C)(C)O2
7,8-dimethoxy-2,2-dimethyl-3,4-dihydro-1,4-benzoxazepin-5-one