Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.674\% 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 other words.
Options:
a.) COc1ccc(CNC(=O)Nc2cccc(C)c2)cc1
b.) CCOC(=O)C(=Cc1ccc(OCc2ccc([N+](=O)[O-])cc2)c(OC)c1)C(=O)OCC
c.) COc1ccc(S(=O)(=O)N2CCN(c3c(C)cccc3C)CC2)cc1OC
d.) Cc1cccc(N(C(=O)CNC(=O)c2ccco2)C(C(=O)NC2CCCC2)c2ccncc2)c1
Answer: b. CCOC(=O)C(=Cc1ccc(OCc2ccc([N+](=O)[O-])cc2)c(OC)c1)C(=O)OCC
{#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#}
CCOC(=O)C(=Cc1ccc(OCc2ccc([N+](=O)[O-])cc2)c(OC)c1)C(=O)OCC
CCOC(=O)C(=Cc1ccc(OCc2ccc([N+](=O)[O-])cc2)c(OC)c1)C(=O)OCC
[C][C][O][C][=Branch1][C][=O][C][=Branch2][Ring2][Ring1][=C][C][=C][C][=C][Branch2][Ring1][C][O][C][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Ring1][=Branch2][C][Branch1][Ring1][O][C][=C][Ring2][Ring1][Ring1][C][=Branch1][C][=O][O][C][C]
diethyl 2-[[3-methoxy-4-[(4-nitrophenyl)methoxy]phenyl]methylidene]propanedioate