Task: Answer the MCQ question.
Query: Which drug exhibits a -6.846\% 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 CSc1nnc2c3ccccc3n(Cc3ccccc3)c2n1
b COc1ccc(C(=O)CN2C3=NCCCN3c3ccccc32)cc1OC
c CCOc1cc(/C=N/NC(=O)c2cc(C3CC3)[nH]n2)ccc1O
d CCN(CC)C(=N)/C(C#N)=N/Nc1ccccc1
Answer: b. COc1ccc(C(=O)CN2C3=NCCCN3c3ccccc32)cc1OC
{#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#}
COc1ccc(C(=O)CN2C3=NCCCN3c3ccccc32)cc1OC
COc1ccc(C(=O)CN2C3=NCCCN3c3ccccc32)cc1OC
2-(3,4-dihydro-2H-pyrimido[1,2-a]benzimidazol-10-yl)-1-(3,4-dimethoxyphenyl)ethanone