Task: Answer the multiple choice question.
Query: Which drug has a -19.778% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCc1nnc(NC(=O)CSc2nnc(CNc3ccc(F)cc3)n2C2CCCCC2)s1
b O=c1c2ccccc2ncn1Cc1ccco1
Answer: b. O=c1c2ccccc2ncn1Cc1ccco1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1c2ccccc2ncn1Cc1ccco1
O=c1c2ccccc2ncn1Cc1ccco1
3-(furan-2-ylmethyl)quinazolin-4-one