Problem statement: Answer the multiple-choice question.
Question: Which compound has a 6.398\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CCOc1ccc(-c2noc(-c3ccncc3)n2)cc1OCC
b. Cn1c(=O)c2c(nc(CN3CCN(c4ccccc4F)CC3)n2CCN2CCOCC2)n(C)c1=O
c. COC(=O)CCSc1cc([N+](=O)[O-])cc2c1c(C1OCCS1)nn2-c1ccccc1
Answer: c. COC(=O)CCSc1cc([N+](=O)[O-])cc2c1c(C1OCCS1)nn2-c1ccccc1
{#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#}
COC(=O)CCSc1cc([N+](=O)[O-])cc2c1c(C1OCCS1)nn2-c1ccccc1
COC(=O)CCSc1cc([N+](=O)[O-])cc2c1c(C1OCCS1)nn2-c1ccccc1
[C][O][C][=Branch1][C][=O][C][C][S][C][=C][C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][=C][C][=C][Ring1][=Branch2][C][Branch1][Branch2][C][O][C][C][S][Ring1][Branch1][=N][N][Ring1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1]
methyl 3-[6-nitro-3-(1,3-oxathiolan-2-yl)-1-phenylindazol-4-yl]sulfanylpropanoate