Task: Answer the multiple-choice question.
Question: Which compound exhibits a 0.651\% human ether-à-go-go related gene (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] CCOC(=O)c1cnn(-c2nc(-c3ccccc3)nc3c2COC(C)(C)C3)c1N
[b] O=c1c2c3nc4ccccc4nc3n(/N=C/c3ccco3)c2ncn1CCC1=CCCCC1
Answer: b. O=c1c2c3nc4ccccc4nc3n(/N=C/c3ccco3)c2ncn1CCC1=CCCCC1
{#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=c1c2c3nc4ccccc4nc3n(/N=C/c3ccco3)c2ncn1CCC1=CCCCC1
O=c1c2c3nc4ccccc4nc3n(/N=C/c3ccco3)c2ncn1CCC1=CCCCC1
13-[2-(cyclohexen-1-yl)ethyl]-17-[(E)-furan-2-ylmethylideneamino]-2,9,13,15,17-pentazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3,5,7,9,11(16),14-heptaen-12-one