Task: Answer the multiple choice question.
Query: Which compound exhibits a 12.539\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C(CCc1nnc2ccc(NCc3ccccc3)nn12)N1CCC2(CC1)OCCO2
b: COc1ccccc1/C=N/Nc1cc(C)nc2ccc(C)cc12
c: Cc1ccc2nc(Cl)c3nnnn3c2c1
d: Cc1ccc2[nH]c(=O)c(C(c3nnnn3CC3CCCO3)N3CCOCC3)cc2c1
Answer: b. COc1ccccc1/C=N/Nc1cc(C)nc2ccc(C)cc12
{#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#}
COc1ccccc1/C=N/Nc1cc(C)nc2ccc(C)cc12
COc1ccccc1/C=N/Nc1cc(C)nc2ccc(C)cc12
N-[(E)-(2-methoxyphenyl)methylideneamino]-2,6-dimethylquinolin-4-amine