Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 13.227\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1ccc2nc(-c3cccc(NC(=O)c4ccc5c(c4)OCCO5)c3)oc2c1
[b] O=C(N/N=C\c1cccnc1)C1c2ccccc2Oc2ccccc21
Answer: b. O=C(N/N=C\c1cccnc1)C1c2ccccc2Oc2ccccc21
{#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#}
O=C(N/N=C\c1cccnc1)C1c2ccccc2Oc2ccccc21
O=C(N/N=C\c1cccnc1)C1c2ccccc2Oc2ccccc21
N-[(Z)-pyridin-3-ylmethylideneamino]-9H-xanthene-9-carboxamide