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 other words.
Options:
[a] COc1cccc(-c2c(C(=O)N3CCCCC3CO)cc3ccccn23)c1
[b] N#Cc1cc(CC(=O)N2CCN(CCc3ccc4c(c3)COC4=O)CC2)ccc1-n1cnnn1
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}
[2-(hydroxymethyl)piperidin-1-yl]-[3-(3-methoxyphenyl)indolizin-2-yl]methanone