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) O=C(NC1CCCCC1)NS(=O)(=O)c1ccc(OCCN2CCCCC2)cc1
b) COc1ccc(Cn2c(N3CC[C@@H](N(C)C)C3)nc3ccccc32)cc1
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}
(3R)-1-[1-[(4-methoxyphenyl)methyl]benzimidazol-2-yl]-N,N-dimethylpyrrolidin-3-amine