Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: NCCCCN(Cc1nccc2c3ccccc3n(CC(N)=O)c12)[C@H]1CCCc2cccnc21
b: C[C@@H]1CCCN1CCc1cc2cc(-c3cc(C#N)ccn3)ccc2o1
Answer: a, 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-[1-[[4-aminobutyl-[(8S)-5,6,7,8-tetrahydroquinolin-8-yl]amino]methyl]pyrido[3,4-b]indol-9-yl]acetamide