Task: Answer the multiple-choice question.
Question: Which drug has a 1.955\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCN(CC)c1c([N+](=O)[O-])c(=O)n(C)c2ccccc12
b COc1ccccc1NC(=O)C1CCCN(S(=O)(=O)c2ccc3c(c2)CC(C)N3C(C)=O)C1
c COc1ccccc1C1C(C#N)=C(N)N(N(C)C)C2=C1C(=O)CC(C)(C)C2
d CCOC(=O)c1sc(N2C(=O)C(O)=C(C(=O)c3ccc(C)o3)C2c2cccc([N+](=O)[O-])c2)nc1C
Answer: a. CCN(CC)c1c([N+](=O)[O-])c(=O)n(C)c2ccccc12
{#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#}
CCN(CC)c1c([N+](=O)[O-])c(=O)n(C)c2ccccc12
CCN(CC)c1c([N+](=O)[O-])c(=O)n(C)c2ccccc12
4-(diethylamino)-1-methyl-3-nitroquinolin-2-one