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 other words.
Options:
a) CCOC(=O)/C(C#N)=C/c1c(N2CCN(Cc3ccc4c(c3)OCO4)CC2)nc2c(C)cccn2c1=O
b) O=C(Cn1cccc1C(=O)c1ccccc1)NCc1cccc(Cl)c1
Answer: a, 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}