Task: Answer the MCQ question.
Question: Which compound exhibits a 1.336\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1ccccc1C(=O)NC(=O)COC(=O)CNC(=O)c1ccc(Cl)c([N+](=O)[O-])c1
b. COc1ccc(Cc2nnc(SCC(=O)NC(C)c3ccccc3)o2)cc1
c. C=CCn1c(=NC(=O)c2cc(Cl)sc2Cl)sc2cc(S(N)(=O)=O)ccc21
d. NC(=O)NC(CCC(=O)O)C(=O)O
Answer: d. NC(=O)NC(CCC(=O)O)C(=O)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#}
NC(=O)NC(CCC(=O)O)C(=O)O
NC(=O)NC(CCC(=O)O)C(=O)O
2-(carbamoylamino)-5-hydroxy-5-oxopentanoicacid