Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -12.313\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CC(=O)c1cccc(NC(=O)CC2S/C(=N/N=C/c3ccccc3)NC2=O)c1
(b) O=c1c(Cl)c(N2CCCCC2)cnn1-c1nc2ccccc2[nH]1
Answer: b. O=c1c(Cl)c(N2CCCCC2)cnn1-c1nc2ccccc2[nH]1
{#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#}
O=c1c(Cl)c(N2CCCCC2)cnn1-c1nc2ccccc2[nH]1
O=c1c(Cl)c(N2CCCCC2)cnn1-c1nc2ccccc2[nH]1
2-(1H-benzimidazol-2-yl)-4-chloro-5-piperidin-1-ylpyridazin-3-one