Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 4.676% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) CSC[C@H](NC(=O)COc1cc2c(c3oc(=O)cc(C)c13)CCC(C)(C)O2)C(=O)O
b.) O=C1OCc2cccc([N+](=O)[O-])c21
c.) CC1CC(NC(=O)CCn2c(=O)oc3ccccc32)CC(C)(C)C1
d.) O=C(Nn1c(-c2ccncc2)nc2ccccc2c1=O)c1ccccc1Br
Answer: b. O=C1OCc2cccc([N+](=O)[O-])c21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C1OCc2cccc([N+](=O)[O-])c21
O=C1OCc2cccc([N+](=O)[O-])c21
7-nitro-3H-2-benzofuran-1-one