Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC(C)COc1ccc(S(C)(=O)=O)cc1C(=O)N1CCN(c2ccc(C#N)cc2F)CC1
b CC(=O)Nc1cc(Nc2cc(NC3COC3)n3ncc(C#N)c3n2)c(F)cc1C
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
3-fluoro-4-[4-[2-(2-methylpropoxy)-5-methylsulfonylbenzoyl]piperazin-1-yl]benzonitrile