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 other words.
Options:
a CC(C)(C)NS(=O)(=O)CCCN1CC2CN(CCCOc3ccc(C#N)cc3)CC(C1)O2
b O=C1OCc2cc(CCC3C4CN(C(=O)Cc5ccc(-n6cnnn6)cc5)CC34)ccc21
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}
5-[2-[3-[2-[4-(tetrazol-1-yl)phenyl]acetyl]-3-azabicyclo[3.1.0]hexan-6-yl]ethyl]-3H-2-benzofuran-1-one