Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cn1c(-c2ccc(OC3CCN(C4CCC4)CC3)cc2)nc2c(Cl)cccc2c1=O
b: Cc1ccccc1CN(c1ccc(C#N)c(Cl)c1)[C@H]1CCN(S(C)(=O)=O)C1
Answer: a, b
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}
2-chloro-4-[(2-methylphenyl)methyl-[(3S)-1-methylsulfonylpyrrolidin-3-yl]amino]benzonitrile