Problem statement: Answer the MCQ question.
Query: Which compound has a 2.760\% 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) Cc1cccc(NC(=O)CN2CCN(CC(=O)Nc3cccc(C)c3)CC2)c1
b) Cc1cccc(C)c1-n1nnnc1SCSc1nnnn1-c1c(C)cccc1C
c) O=c1cc(N2CCOCC2)cnn1-c1ccccc1
d) O=C(COc1ccc(Br)cc1)NCCNC(=O)c1ccncc1
Answer: c. O=c1cc(N2CCOCC2)cnn1-c1ccccc1
{#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=c1cc(N2CCOCC2)cnn1-c1ccccc1
O=c1cc(N2CCOCC2)cnn1-c1ccccc1
5-morpholin-4-yl-2-phenylpyridazin-3-one