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, b, or c without using any additional words.
Options:
[a] CC(C)(C)N1CC2([N+](=O)[O-])CN(C(C)(C)C)CC([N+](=O)[O-])(C1)C2
[b] Cc1ccc(OCCNC(=O)CN2C(=O)NC3(CCCC3)C2=O)cc1
[c] O=C(N/N=C/c1cccc(O)c1)c1ccc(NC(=O)c2cccc([N+](=O)[O-])c2)cc1
Answer: a, b, c
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}