Task: Answer the multiple choice question.
Question: Which drug has a -4.534\% 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 additional words.
Options:
a Nc1ccc(C2CCCc3nonc32)c2nonc12
b CCOC(=O)c1c(C)n(C)c2ccc(O)c(S(=O)(=O)c3ccccc3)c12
c COC(=O)Cn1c(CN2CCOCC2)nc2c1c(=O)n(C)c(=O)n2C
d CCCCNC(=O)COc1ccccc1[N+](=O)[O-]
Answer: b. CCOC(=O)c1c(C)n(C)c2ccc(O)c(S(=O)(=O)c3ccccc3)c12
{#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#}
ethyl 4-(benzenesulfonyl)-5-hydroxy-1,2-dimethylindole-3-carboxylate