Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 6.398\% 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) CCn1cc(C(=O)N2CCN(c3ccccn3)CC2)c(=O)c2cc(S(=O)(=O)N3CCC(C)CC3)ccc21
b) CCCCOc1ccc(-c2ncc([N+](=O)[O-])cn2)cc1
c) Cn1c(SCC(=O)c2ccc(O)cc2O)nnc1-c1ccccc1
d) O=C(O)COCC(=O)Nc1ccc(OCCc2ccccc2)cc1
Answer: b. CCCCOc1ccc(-c2ncc([N+](=O)[O-])cn2)cc1
{#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#}
CCCCOc1ccc(-c2ncc([N+](=O)[O-])cn2)cc1
CCCCOc1ccc(-c2ncc([N+](=O)[O-])cn2)cc1
2-(4-butoxyphenyl)-5-nitropyrimidine