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 other words.
Options:
a) Cc1ccccc1-c1ccc(C#Cc2cccc(C#Cc3ccc(-c4ccccc4C)cc3)[n+]2C)cc1
b) O=C(N1CCN(C2CCCC2)CC1)N1Cc2ccccc2C1
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}
1-methyl-2,6-bis[2-[4-(2-methylphenyl)phenyl]ethynyl]pyridin-1-ium