Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=S(=O)(c1ccccc1)[C@@]1(c2ccc(Br)cc2)C[C@@H]2ON=C(c3cccc(Br)c3)[C@@H]2C1
b.) O=C(C1=C[C@@H]2[C@H]3C(=O)N(c4cccc(Cl)c4)C(=O)[C@H]3[C@@H](C(=O)c3ccc(Cl)cc3)N2C=C1)c1ccccc1
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}