Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C1c2c(O)cc(O)cc2O[C@@]12c1c(cc(O)c3c1O[C@H](c1ccc(O)cc1)[C@@H](O)C3)O[C@@H]2c1ccc(O)cc1
b. CCc1ccccc1NC(=O)c1cccc(Oc2ccc([N+](=O)[O-])cc2Cl)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}