Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) NS(=O)(=O)c1ccc(CCNC(=O)c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1
b) O=c1[nH]cnc2c1c(-c1ccccc1)cn2-c1ccc(Br)cc1
c) CCc1ccc2c(CN(CC)Cc3nc4ccccc4c(=O)[nH]3)cc(=O)oc2c1
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}