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) Cc1nn(C2CCN(C(=O)[C@@H](C)O)CC2)c(C)c1Nc1ncc(Cl)c(-c2cnn3ccccc23)n1
b) C[C@@H]1CCCN1CCc1ccc2nc(C(C)(C)C)ccc2c1
Answer: 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-tert-butyl-6-[2-[(2R)-2-methylpyrrolidin-1-yl]ethyl]quinoline