Task: Answer the multiple choice question.
Question: Which drug exhibits a -2.270% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCCOc1ccc(-c2nnc(-c3ccncc3)o2)cc1
b. CC1Cc2ccccc2N1C(=O)CSCC(=O)O
c. O=C(O)CCC(=O)Nc1ccccc1Oc1ccccc1
d. COc1ccc(S(=O)(=O)NCCC(C)C)cc1OC
Answer: a. CCCOc1ccc(-c2nnc(-c3ccncc3)o2)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCOc1ccc(-c2nnc(-c3ccncc3)o2)cc1
CCCOc1ccc(-c2nnc(-c3ccncc3)o2)cc1
2-(4-propoxyphenyl)-5-pyridin-4-yl-1,3,4-oxadiazole