Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 6.564\% 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(c1ccccc1)c1cc2ccc(O)cc2oc1=O
b CCC1(c2ccccc2)NC(=O)N(CC(=O)NNC(=O)c2ccoc2C)C1=O
Answer: a. O=C(c1ccccc1)c1cc2ccc(O)cc2oc1=O
{#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(c1ccccc1)c1cc2ccc(O)cc2oc1=O
O=C(c1ccccc1)c1cc2ccc(O)cc2oc1=O
3-benzoyl-7-hydroxychromen-2-one