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 additional words.
Options:
a) NC(=O)CC(NC(=O)c1ccc(Br)cc1)c1ccc(N2CCN(c3ccccc3)CC2)c([N+](=O)[O-])c1
b) C=CCNS(=O)(=O)c1ccc(C(=O)OCc2cc(=O)oc3cc(OC)ccc23)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}