Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 0.004% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(O)C(=O)O.O=C1CCCN1CN1CCCCC1
(b) COc1ccc2[nH]c(=O)c(CN(CCO)S(=O)(=O)c3c(C)ccc4nsnc34)cc2c1
(c) Cc1c(C(=O)Nc2ccc(S(=O)(=O)NCC3CCCO3)cc2)cccc1[N+](=O)[O-]
Answer: a. O=C(O)C(=O)O.O=C1CCCN1CN1CCCCC1
{#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#}
O=C(O)C(=O)O.O=C1CCCN1CN1CCCCC1
O=C(O)C(=O)O.O=C1CCCN1CN1CCCCC1
oxalic acid;1-(piperidin-1-ylmethyl)pyrrolidin-2-one