Task: Answer the multiple choice question.
Query: Which compound has a 0.776\% 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) Cc1cc(NC(=O)C2CCCN2C(=O)Nc2c(C)cccc2C)ccc1-n1cnnn1
(b) O=C(COC(=O)c1cncc(Br)c1)NCC1CCCO1
(c) O=C(O)/C=C\C(=O)Nc1ccc(OCc2ccccc2)cc1
(d) CCOC(=O)CSc1nc2ccccc2c(=O)n1Cc1ccco1
Answer: c. O=C(O)/C=C\C(=O)Nc1ccc(OCc2ccccc2)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#}
(Z)-4-oxo-4-(4-phenylmethoxyanilino)but-2-enoic acid