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.) C=CCn1c(-c2cccn(Cc3ccc(Cl)cc3Cl)c2=O)n[nH]c1=S
b.) COC(=O)C1CN(C(=O)C(C)Oc2ccc(C(C)C)cc2)c2ccccc2O1
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}