Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 8.671\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CC(=O)N1c2ccccc2Oc2cc3ccccc3cc21
[b] Cc1nc(N2CCC(C)CC2)c2oc3ccccc3c2n1
[c] CC(C)NC(=O)c1ccc(COCC(F)(F)F)cc1
Answer: a. CC(=O)N1c2ccccc2Oc2cc3ccccc3cc21
{#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#}
CC(=O)N1c2ccccc2Oc2cc3ccccc3cc21
CC(=O)N1c2ccccc2Oc2cc3ccccc3cc21
[C][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][Ring2][Ring1][C]
1-benzo[b]phenoxazin-12-ylethanone