Task: Answer the MCQ question.
Question: Which compound has a -8.297% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1ccccc1CNC(=O)CCCn1nc(C)n2ccnc2c1=O
[b] CN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
[c] O=C(COn1nnc2ccc(Cl)cc21)Nc1ccc(F)cc1
[d] COc1cccc2cc(C(=O)N3CCc4ccccc43)c(=O)oc12
Answer: b. CN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
CN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
5-methyl-6-pyridin-2-yl-6H-benzimidazolo[1,2-c]quinazoline