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: COc1ccc(N2CCN(c3ncnc4sc(C(=O)NCC5CCCO5)c(C)c34)CC2)cc1
b: CC(C)CCN1C(=O)c2ccc(C(=O)NCc3ccccn3)cc2C1=O
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}