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. CN1C(=O)NC(c2ccc(O)cc2)C2=C1CN(c1ccc(O)cc1)C2=O
b. COc1ccc(CN(C)C(=O)c2[nH]c(C)c(C(C)=O)c2C)c(OC)c1OC
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}