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: COc1cc(C#Cc2c(-c3cncn3C)n(C)c3ccc(-c4ccc5[nH]ccc5c4)cc23)cc(OC)c1
b: COc1cc(OC)nc(Oc2ccccc2C(=O)Oc2ccc(Cl)cc2)n1
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}