Problem statement: Answer the multiple choice question.
Question: Which compound has a 16.409\% 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] O=C(O)CCCn1cc(NC(=O)COc2ccc([N+](=O)[O-])cc2)cn1
[b] CN1c2ccccc2C(C)(C)C12C=Nc1c(ccc3ccccc13)O2
Answer: b. CN1c2ccccc2C(C)(C)C12C=Nc1c(ccc3ccccc13)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#}
CN1c2ccccc2C(C)(C)C12C=Nc1c(ccc3ccccc13)O2
CN1c2ccccc2C(C)(C)C12C=Nc1c(ccc3ccccc13)O2
1,3,3-trimethylspiro[indole-2,3'-benzo[f][1,4]benzoxazine]