Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(CSc1nc(-c2ccccc2)cs1)Nc1cccc([N+](=O)[O-])c1
b.) O=C(O)c1ccc(S(=O)(=O)c2ccc3c(c2)C(=O)N(c2ccc(O)cc2)C3=O)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}