Task: Answer the multiple-choice question.
Query: Which compound has a 1.783\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: Nc1ccc2c(c1)C(=O)N(CCCC(=O)O)C2=O
b: O=C(CCCNC(=O)c1ccc(Cl)cc1)Nc1cccc(F)c1
c: O=C(CSc1cccc[n+]1[O-])c1ccccc1Br
d: COc1ccc(S(=O)(=O)N(C(=O)c2ccncc2)c2ccc3oc4c(c3c2)CCCC4)cc1
e: COCCN(C(=O)COc1ccc(Cl)cc1)c1nnc(-c2cccnc2)s1.Cl
Answer: a. Nc1ccc2c(c1)C(=O)N(CCCC(=O)O)C2=O
{#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#}
Nc1ccc2c(c1)C(=O)N(CCCC(=O)O)C2=O
Nc1ccc2c(c1)C(=O)N(CCCC(=O)O)C2=O
5-amino-2-(4-hydroxy-4-oxobutyl)isoindole-1,3-dione