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) Cn1c(=O)[nH]c(=O)c2c1nc(N1CCCCC1)n2CC(O)COc1ccc([N+](=O)[O-])cc1
b) CCCCC1CCC(C(=O)NCC(c2ccco2)N2CCOCC2)CC1
Answer: b
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}