Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 1.463\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a COc1cc(C=O)ccc1OCCOc1ccccc1[N+](=O)[O-]
b COc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)CN1CCCC1
c CCS(=O)(=O)N1CCN(Cc2c[nH]c3ccccc23)CC1.O=C(O)C(=O)O
d COc1ccc(S(=O)(=O)NCCc2ccccc2)cc1OC
e Cc1ccc(S(=O)(=O)N2CCCC(C(=O)NC3CC3)C2)cc1
Answer: a. COc1cc(C=O)ccc1OCCOc1ccccc1[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#}
COc1cc(C=O)ccc1OCCOc1ccccc1[N+](=O)[O-]
COc1cc(C=O)ccc1OCCOc1ccccc1[N+](=O)[O-]
3-methoxy-4-[2-(2-nitrophenoxy)ethoxy]benzaldehyde