Problem statement: Answer the multiple-choice question.
Query: Which drug has a 7.500\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCn1c(CSCc2ccc(Cl)cc2)nnc1SCC(=O)Nc1cccc(C(=O)O)c1
(b) CCCCC(=O)Nc1nc2c(OC)cc([N+](=O)[O-])cc2s1
Answer: b. CCCCC(=O)Nc1nc2c(OC)cc([N+](=O)[O-])cc2s1
{#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#}
CCCCC(=O)Nc1nc2c(OC)cc([N+](=O)[O-])cc2s1
CCCCC(=O)Nc1nc2c(OC)cc([N+](=O)[O-])cc2s1
N-(4-methoxy-6-nitro-1,3-benzothiazol-2-yl)pentanamide