Problem statement: Answer the multiple choice question.
Query: Which compound has a 12.364\% 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] O=[As](O)(c1cccs1)c1cccs1
[b] C=CCNC(=O)/C(C#N)=C\c1cc(Cl)c(O)c(OCC)c1
Answer: a. O=[As](O)(c1cccs1)c1cccs1
{#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#}
O=[As](O)(c1cccs1)c1cccs1
O=[As](O)(c1cccs1)c1cccs1
[O][=As][Branch1][C][O][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][C][=C][C][=C][S][Ring1][Branch1]
dithiophen-2-ylarsinic acid