Task: Answer the MCQ question.
Question: Which drug exhibits a -2.959\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. Cn1c(=O)[nH]c(=O)c2c1nc(N1CCNCC1)n2CCOc1ccccc1
b. CCCOc1ccc(C(=O)NCCC(=O)NCCCC(=O)OCC)cc1
c. Cc1cc(Oc2ccccc2)nc(OCC#N)n1
d. COc1ccc(-c2cc(C(=O)N3CCc4ccccc4C3)no2)cc1
e. CC1(c2ccc3noc(-c4cccc(F)c4)c3c2)OCCO1
Answer: c. Cc1cc(Oc2ccccc2)nc(OCC#N)n1
{#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#}
2-(4-methyl-6-phenoxypyrimidin-2-yl)oxyacetonitrile