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 Cn1c(=O)n(CC(=O)NCC2CCCO2)c(=O)c2c3c(sc21)CCCC3
b O=C1C=C(c2cc(C(F)(F)F)cc(C(F)(F)F)c2)C[C@@H](c2ccc(Cl)cc2)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}