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: COc1ccc(C2(c3ccc(OC)cc3)NC(=O)N(CC(=O)Nc3cc(C)ccc3OC)C2=O)cc1
b: O=C(c1cc(C2CC2)nn1-c1ccccc1)N1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1
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}