Task: Answer the multiple-choice question.
Question: Which drug exhibits a 2.850\% 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. CC(=O)N(CCc1ccccc1)Cc1cc2ccc(C)c(C)c2[nH]c1=O
b. CC(C)Cc1nc(N2CCCCC2)c(C#N)c2c1CCC2
c. Cc1cn([C@@H](CCCCN)C(=O)NCCCCCCCCCCC(=O)N2CCNCC2)nn1
d. Cc1cccc(Nc2c([N+](=O)[O-])c(=O)oc3ccccc23)c1
Answer: d. Cc1cccc(Nc2c([N+](=O)[O-])c(=O)oc3ccccc23)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#}
Cc1cccc(Nc2c([N+](=O)[O-])c(=O)oc3ccccc23)c1
Cc1cccc(Nc2c([N+](=O)[O-])c(=O)oc3ccccc23)c1
4-(3-methylanilino)-3-nitrochromen-2-one