Task: Answer the multiple-choice question.
Query: Which compound exhibits a -3.552\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) COc1cc(-c2nnc(SCc3ccccc3Cl)o2)cc(OC)c1OC
b.) O=c1c2ccccc2ncn1Cc1ccco1
c.) CCN(CC)S(=O)(=O)c1cc(F)ccc1OC
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_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=c1c2ccccc2ncn1Cc1ccco1
O=c1c2ccccc2ncn1Cc1ccco1
3-(furan-2-ylmethyl)quinazolin-4-one