Task: Answer the MCQ question.
Query: Which drug exhibits a 12.267\% 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) O=C(c1nc2ccccc2s1)N1CCN(c2ccccn2)CC1
b) COc1c2c(cc3oc(C)cc(=O)c13)OC(C(C)(C)OC1OC(CO)C(O)C(O)C1O)C2
c) O=c1ccc2ccc(Oc3ccc([N+](=O)[O-])cc3Cl)cc2o1
d) Cn1c(=O)c(C(=O)CN2CC(=O)Nc3ccccc32)c(N)n(Cc2ccccc2)c1=O
Answer: c. O=c1ccc2ccc(Oc3ccc([N+](=O)[O-])cc3Cl)cc2o1
{#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=c1ccc2ccc(Oc3ccc([N+](=O)[O-])cc3Cl)cc2o1
O=c1ccc2ccc(Oc3ccc([N+](=O)[O-])cc3Cl)cc2o1
7-(2-chloro-4-nitrophenoxy)chromen-2-one