Task: Answer the MCQ question.
Query: Which compound has a 18.084\% human ether-à-go-go related gene (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 other words.
Options:
a: CC1CC(C)CN(C(=O)/C=C/c2ccccc2[N+](=O)[O-])C1
b: COc1cc(C=C(C(C)=O)C(C)=O)ccc1O
c: COc1ccc(NC(=O)Cn2c(C(C)C)nc(C)cc2=O)cc1Cl
d: O=C(O)C(=O)O.O=[N+]([O-])c1ccccc1CNCCc1ccc(F)cc1
e: O=C(O)CSc1nnc(Cn2cnc3ccccc32)n1CCc1ccccc1
Answer: b. COc1cc(C=C(C(C)=O)C(C)=O)ccc1O
{#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#}
COc1cc(C=C(C(C)=O)C(C)=O)ccc1O
COc1cc(C=C(C(C)=O)C(C)=O)ccc1O
[C][O][C][=C][C][Branch1][#C][C][=C][Branch1][=Branch1][C][Branch1][C][C][=O][C][Branch1][C][C][=O][=C][C][=C][Ring1][=C][O]
3-[(4-hydroxy-3-methoxyphenyl)methylidene]pentane-2,4-dione