Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(NCCCCN1CCOCC1)c1cc2ccccc2o1
[b] N#Cc1ccc(Cn2cncc2CN[C@H]2CCN(C(=O)c3cncc(Br)c3)C2=O)cc1
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}
N-(4-morpholin-4-ylbutyl)-1-benzofuran-2-carboxamide