Task: Answer the MCQ question.
Query: Which compound exhibits a 8.087\% 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, b, c, or d without using any additional words.
Options:
a. COc1ccc(CC(=O)Nc2cc(C)on2)cc1OC
b. CCNC(=O)C/C(C)=N/NC(=O)C(=O)Nc1ccc(CC)cc1
c. O=C(OCC(=O)N1N=C(c2ccc(Cl)cc2)CC1c1ccco1)c1ccccc1O
d. COc1cccc(CN2CCN(C3CCN(c4cccc(C)c4C)CC3)CC2CCO)c1
Answer: b. CCNC(=O)C/C(C)=N/NC(=O)C(=O)Nc1ccc(CC)cc1
{#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#}
N'-[(E)-[1-(ethylamino)-1-oxobutan-3-ylidene]amino]-N-(4-ethylphenyl)oxamide