Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COc1ccc(/C=C2/CC/C(=C\c3ccc(OC)c(OC)c3OC)C2=O)c(OC)c1OC
b Cc1nn(-c2cccc(C(F)(F)F)c2)c(Cl)c1/C=N/n1cnnc1
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}