Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 3.951\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C1c2ccccc2NC2(CCCC2)N1N=C1CCCC1
b.) COc1ccc(-n2c(SCC#N)nc3c(sc(=S)n3-c3ccccc3)c2=O)c(OC)c1
Answer: a. O=C1c2ccccc2NC2(CCCC2)N1N=C1CCCC1
{#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=C1c2ccccc2NC2(CCCC2)N1N=C1CCCC1
O=C1c2ccccc2NC2(CCCC2)N1N=C1CCCC1
3-(cyclopentylideneamino)spiro[1H-quinazoline-2,1'-cyclopentane]-4-one