Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a Cc1ccccc1N1CCC2CN(CCCSc3nnc(-c4cnccn4)n3C)CC21
b Cc1ccc2c(N3CCN(CCc4c(F)ccc5c4ccc(=O)n5C)CC3)cccc2n1
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}
6-fluoro-1-methyl-5-[2-[4-(2-methylquinolin-5-yl)piperazin-1-yl]ethyl]quinolin-2-one