Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 4.873\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Nn1c(SCC(=O)Nc2ccccc2C(F)(F)F)nncc1=O
b O=C(Nc1cccnc1)C1OCCc2ccccc21
c COc1ccccc1C1c2[nH]c3ccccc3c2C[C@H]2C(=O)N(C3CCN(Cc4ccccc4)CC3)CC(=O)N12
Answer: b. O=C(Nc1cccnc1)C1OCCc2ccccc21
{#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=C(Nc1cccnc1)C1OCCc2ccccc21
O=C(Nc1cccnc1)C1OCCc2ccccc21
N-pyridin-3-yl-3,4-dihydro-1H-isochromene-1-carboxamide