Task: Answer the MCQ question.
Query: Which compound exhibits a -74.226\% 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) COc1ccc(C(=O)N2CCN(C3CCCCC3)CC2)cc1OC.O=C(O)C(=O)O
b) COc1ccccc1OCc1ccc(C(=O)Nc2cc(OC)c(OC)c(OC)c2)o1
c) CS(=O)(=O)N(CC(=O)N1CCc2ccccc2C1)c1cccc([N+](=O)[O-])c1
d) CCOc1ccc(CCNc2nc3c(c(=O)n(C)c(=O)n3C)n2CC)cc1OCC
Answer: a. COc1ccc(C(=O)N2CCN(C3CCCCC3)CC2)cc1OC.O=C(O)C(=O)O
{#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#}
COc1ccc(C(=O)N2CCN(C3CCCCC3)CC2)cc1OC.O=C(O)C(=O)O
COc1ccc(C(=O)N2CCN(C3CCCCC3)CC2)cc1OC.O=C(O)C(=O)O
(4-cyclohexylpiperazin-1-yl)-(3,4-dimethoxyphenyl)methanone;oxalic acid