Task: Answer the multiple choice question.
Question: Which drug has a 9.249\% 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 COC(=O)c1cc2oc3ccccc3c2n1Cc1ccccn1
b O=C1C(=Cc2cccn2-c2ccccc2)C(=O)c2ccccc21
Answer: a. COC(=O)c1cc2oc3ccccc3c2n1Cc1ccccn1
{#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#}
COC(=O)c1cc2oc3ccccc3c2n1Cc1ccccn1
COC(=O)c1cc2oc3ccccc3c2n1Cc1ccccn1
methyl 1-(pyridin-2-ylmethyl)-[1]benzofuro[3,2-b]pyrrole-2-carboxylate