Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.772\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1ccc(CCN2C(=O)CC(NCCc3ccc(S(N)(=O)=O)cc3)C2=O)cc1OC
b. O=C(Oc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccccc1[N+](=O)[O-]
Answer: b. O=C(Oc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccccc1[N+](=O)[O-]
{#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#}
O=C(Oc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccccc1[N+](=O)[O-]
O=C(Oc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccccc1[N+](=O)[O-]
(4-oxo-2,3-dihydro-1H-cyclopenta[c]chromen-7-yl) 2-nitrobenzoate