Task: Answer the multiple-choice question.
Query: Which compound has a -18.275\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(N/N=C/c1cn(-c2ccccc2)nc1-c1cccs1)c1ccncc1
[b] Cc1cccc(Nc2nc(N3CCN(C)CC3)nc(N)c2[N+](=O)[O-])c1
Answer: b. Cc1cccc(Nc2nc(N3CCN(C)CC3)nc(N)c2[N+](=O)[O-])c1
{#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#}
Cc1cccc(Nc2nc(N3CCN(C)CC3)nc(N)c2[N+](=O)[O-])c1
Cc1cccc(Nc2nc(N3CCN(C)CC3)nc(N)c2[N+](=O)[O-])c1
4-N-(3-methylphenyl)-2-(4-methylpiperazin-1-yl)-5-nitropyrimidine-4,6-diamine