Task: Answer the multiple-choice question.
Question: Which compound exhibits a -1.921\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: COc1ccc(OC)c2c(N3CC(C)OC(C)C3)cc(C(F)(F)F)nc12
b: O=[N+]([O-])c1ccccc1-c1cc(-c2cc(Cl)ccc2O)n[nH]1
c: Cc1ccc(NC(=O)C2C3CC4OC(=O)C2C4C3)cc1Cl
d: CC(C)(O)C#Cc1ccccc1C(=O)NC(CC(N)=O)C(=O)O
e: NC(=O)/C=C/C(=O)Nc1ccc(Cl)cc1
Answer: a. COc1ccc(OC)c2c(N3CC(C)OC(C)C3)cc(C(F)(F)F)nc12
{#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#}
COc1ccc(OC)c2c(N3CC(C)OC(C)C3)cc(C(F)(F)F)nc12
COc1ccc(OC)c2c(N3CC(C)OC(C)C3)cc(C(F)(F)F)nc12
[C][O][C][=C][C][=C][Branch1][Ring1][O][C][C][=C][Branch1][#C][N][C][C][Branch1][C][C][O][C][Branch1][C][C][C][Ring1][Branch2][C][=C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][N][=C][Ring2][Ring1][Branch2][Ring2][Ring1][C]
4-[5,8-dimethoxy-2-(trifluoromethyl)quinolin-4-yl]-2,6-dimethylmorpholine