Problem statement: Answer the multiple choice question.
Query: Which drug has a 18.823\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCCCOC(=O)Nc1nc2ccc([N+](=O)[O-])cc2s1
b CCCc1nnc(NC(=O)CCC(=O)N2CCN(C3c4ccccc4-c4ccccc43)CC2)s1
c O=C(c1ccc(CNc2c(N3CCCC3)c(=O)c2=O)cc1)N1CC=C(c2ccccc2)CC1
Answer: a. CCCCOC(=O)Nc1nc2ccc([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#}
CCCCOC(=O)Nc1nc2ccc([N+](=O)[O-])cc2s1
CCCCOC(=O)Nc1nc2ccc([N+](=O)[O-])cc2s1
butyl N-(6-nitro-1,3-benzothiazol-2-yl)carbamate