Task: Answer the MCQ question.
Query: Which compound has a -1.448\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) CNC(=O)C(=O)NCC1OCCN1S(=O)(=O)c1ccc(OC)c(OC)c1
b.) CCCc1nc(N)c(C#N)c(-c2cccnc2)c1CC
c.) O=C(C1=C[C@@H](C2CC2)C[C@@H](OCCCCO)O1)N1CCOCC1
d.) C/C(=N\NC(=O)c1ccccc1O)c1cccs1
Answer: b. CCCc1nc(N)c(C#N)c(-c2cccnc2)c1CC
{#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#}
CCCc1nc(N)c(C#N)c(-c2cccnc2)c1CC
CCCc1nc(N)c(C#N)c(-c2cccnc2)c1CC
2-amino-5-ethyl-6-propyl-4-pyridin-3-ylpyridine-3-carbonitrile