Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -0.405\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC1(C)CC(=O)c2cc(C(=O)NCc3ccco3)c(=O)n(-c3ccccc3)c2C1
(b) Cc1ccccc1CC1(CO)CCCN(Cc2ccc(C#CC(C)(C)O)cc2)C1
(c) COCCN1CCn2c(nc3cc(NC(=O)c4ccc(OC)cc4)ccc32)C1
(d) COc1ccc(N2CCN(C(=O)CCNC(=O)c3ccc(C(C)(C)C)cc3)CC2)cc1
Answer: c. COCCN1CCn2c(nc3cc(NC(=O)c4ccc(OC)cc4)ccc32)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#}
COCCN1CCn2c(nc3cc(NC(=O)c4ccc(OC)cc4)ccc32)C1
COCCN1CCn2c(nc3cc(NC(=O)c4ccc(OC)cc4)ccc32)C1
[C][O][C][C][N][C][C][N][C][=Branch2][Ring1][P][=N][C][=C][C][Branch2][Ring1][C][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][Branch2][=C][C][=C][Ring1][P][Ring2][Ring1][Ring2][C][Ring2][Ring1][Branch2]
4-methoxy-N-[2-(2-methoxyethyl)-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazol-8-yl]benzamide