Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cc1ccc(Cn2ncc3c(N4CCN(CCc5ccccc5)CC4)ncnc32)cc1
b) Cn1c(OCc2cccnc2)nc2c1c(=O)n(Cc1ccc(Br)cc1)c(=O)n2C
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}