Task: Answer the MCQ question.
Query: Which compound exhibits a 2.909\% 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 COc1ccccc1NC(=O)Cn1nc(-c2ccc3c(c2)OCCO3)ccc1=O
b CCOc1ccc(S(=O)(=O)N2c3ccccc3CC2C)cc1
c COc1ccc(C(=O)NC2CC2)cc1OC1CCN(Cc2ccc(SC)cc2)CC1
d COCC(=O)Nc1cc(C)cn(Cc2ccccc2Cl)c1=O
Answer: a. COc1ccccc1NC(=O)Cn1nc(-c2ccc3c(c2)OCCO3)ccc1=O
{#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#}
COc1ccccc1NC(=O)Cn1nc(-c2ccc3c(c2)OCCO3)ccc1=O
COc1ccccc1NC(=O)Cn1nc(-c2ccc3c(c2)OCCO3)ccc1=O
2-[3-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-oxopyridazin-1-yl]-N-(2-methoxyphenyl)acetamide