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 other words.
Options:
a COc1ccc(N2CCN(C(=O)CSc3nnc4c(C)cc5c(C)cc(C)cc5n34)CC2)cc1
b CC(=O)c1c(N2CCN(C)CC2)[nH]c(-c2ccccc2)nc1=S
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}