Task: Answer the multiple choice question.
Question: Which compound exhibits a -1.407\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOc1cccc(C2C(C#N)=C(N)Oc3cc(C)oc(=O)c32)c1OCC
(b) Cc1ccc(NC(=O)CSCC(=O)Nc2ccc(S(=O)(=O)N3CCCC3)cc2)cc1
Answer: a. CCOc1cccc(C2C(C#N)=C(N)Oc3cc(C)oc(=O)c32)c1OCC
{#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#}
CCOc1cccc(C2C(C#N)=C(N)Oc3cc(C)oc(=O)c32)c1OCC
CCOc1cccc(C2C(C#N)=C(N)Oc3cc(C)oc(=O)c32)c1OCC
2-amino-4-(2,3-diethoxyphenyl)-7-methyl-5-oxo-4H-pyrano[3,2-c]pyran-3-carbonitrile