Task: Answer the MCQ question.
Query: Which drug exhibits a 1.833\% 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 additional words.
Options:
a: Cc1sc2ncnc(Sc3nnnn3-c3ccccc3)c2c1C
b: CC(C)(C)c1cc(CN(CCO)CCO)c(O)c(C(C)(C)C)c1
c: CCOc1ccc(S(=O)(=O)N(CC)CC)cc1N
d: CCCCCNC(=O)N[C@H](C(=O)O)C(C)C
e: CCC(C)(C(=O)NC1CCCC1)N(Cc1cccs1)C(C)=O
Answer: d. CCCCCNC(=O)N[C@H](C(=O)O)C(C)C
{#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#}
CCCCCNC(=O)N[C@H](C(=O)O)C(C)C
CCCCCNC(=O)N[C@H](C(=O)O)C(C)C
(2S)-3-methyl-2-(pentylcarbamoylamino)butanoic acid