Task: Answer the MCQ question.
Query: Which drug exhibits a 23.858\% 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] COc1ccc(CC(=O)NCC2CCCN(Cc3ccc(SC)cc3)C2)cc1
[b] O=C(c1ccccc1)C1CCc2occc2C1=O
[c] Cc1ccn2c(=O)c(C(=O)NCCC3=CCCCC3)c(O)nc2c1
[d] O=c1[nH]cnc2c1ncn2Cc1ccc([N+](=O)[O-])cc1
[e] CCc1nn(CC(=O)NCCCN2CCN(C)CC2)c(=O)c2cc3sccc3n12
Answer: d. O=c1[nH]cnc2c1ncn2Cc1ccc([N+](=O)[O-])cc1
{#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=c1[nH]cnc2c1ncn2Cc1ccc([N+](=O)[O-])cc1
O=c1[nH]cnc2c1ncn2Cc1ccc([N+](=O)[O-])cc1
9-[(4-nitrophenyl)methyl]-1H-purin-6-one