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=CCN(CC=C)C(=O)COC(=O)c1ccc(Sc2ncn[nH]2)c([N+](=O)[O-])c1
b) Cc1cccc(OCCSc2nc3c([nH]2)c(=N)ncn3Cc2ccccc2)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}