Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CN(CC(=O)Nc1cccc(F)c1)C(=O)/C=C/c1cc(Br)ccc1OC(F)F
b) Cc1ccc(OCCN(C)C)c([N+](=O)[O-])c1.O=C(O)C(=O)O
Answer: 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}