Task: Answer the MCQ question.
Query: Which drug exhibits a -5.521\% 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] Cc1ccc(-c2cc(-c3ccc(C)cc3)[n+](-c3ccc(C(=O)[O-])cc3)c(-c3ccc(C)cc3)c2)cc1
[b] CCOc1ccc(N(CC(=O)N2CCCCCC2)S(=O)(=O)c2ccc(F)cc2)cc1
[c] O=C(Nc1ccncc1)c1cccs1
[d] O=C(NC(=S)NCCc1ccccn1)c1ccco1
[e] Cc1ccn(CC(=O)O)c(=O)c1
Answer: e. Cc1ccn(CC(=O)O)c(=O)c1
{#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#}
Cc1ccn(CC(=O)O)c(=O)c1
Cc1ccn(CC(=O)O)c(=O)c1
2-(4-methyl-2-oxopyridin-1-yl)acetic acid