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 additional words.
Options:
(a) CN(C)C1CCN(c2nc3ccccc3n2Cc2ccc(F)cc2)CC1
(b) COc1ccc2ncc(=O)n(CC(N)C3(F)CCC(NCc4ccc5c(n4)NC(=O)CO5)CC3)c2c1
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}
1-[1-[(4-fluorophenyl)methyl]benzimidazol-2-yl]-N,N-dimethylpiperidin-4-amine