Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 12.918\% 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 CN(Cc1ccccc1)S(=O)(=O)c1cccc(C(=O)O)c1
b CN1CCN(c2ccc(C(N)=O)cc2[N+](=O)[O-])CC1
c CS(=O)(=O)N(CC(=O)NCCSCc1cccc(Cl)c1)c1ccc2c(c1)OCO2
d CCOc1ccc(CN2CCN(CCCn3cccn3)CC2CCO)cc1
Answer: b. CN1CCN(c2ccc(C(N)=O)cc2[N+](=O)[O-])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#}
CN1CCN(c2ccc(C(N)=O)cc2[N+](=O)[O-])CC1
CN1CCN(c2ccc(C(N)=O)cc2[N+](=O)[O-])CC1
4-(4-methylpiperazin-1-yl)-3-nitrobenzamide