Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(CCCN1C(=O)c2ccccc2C1=O)Nc1cccc(S(=O)(=O)NC2=NCCC2)c1
b CCn1cc(C(=O)NCc2ccccc2)c(=O)c2cc(F)c(N3CCN(C(=O)c4ccco4)CC3)cc21
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}