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.) COc1ccc2c(-n3cnc(C)c3)nc(C#N)c(-c3cccc(F)c3)c2c1
b.) O=C1NCc2ccc(OCCCCN3CCN(c4cccc5cc(F)ccc45)CC3)cc21
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}
6-[4-[4-(6-fluoronaphthalen-1-yl)piperazin-1-yl]butoxy]-2,3-dihydroisoindol-1-one