Task: Answer the multiple-choice question.
Question: Which drug has a 9.467\% 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 other words.
Options:
a) CCCCC(=O)Nc1nc(C)c(-c2csc(Nc3cc(Cl)ccc3OC)n2)s1
b) COC(=O)c1cc2c(cc1[N+](=O)[O-])OCO2
c) CCCCS(=O)(=O)N1CCCC(C(=O)NCC2CCCO2)C1
d) Cc1cc(C)cc(N(CC(=O)NCc2ccc(F)cc2)C(=O)CCC(=O)Nc2ccccn2)c1
Answer: b. COC(=O)c1cc2c(cc1[N+](=O)[O-])OCO2
{#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#}
COC(=O)c1cc2c(cc1[N+](=O)[O-])OCO2
COC(=O)c1cc2c(cc1[N+](=O)[O-])OCO2
methyl 6-nitro-1,3-benzodioxole-5-carboxylate