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. CCNc1c([N+](=O)[O-])ncn1C
b. CCNc1ccc(C(=O)OCC(=O)NC(C)c2ccccc2)cc1[N+](=O)[O-]
c. COc1ccc(NC(=O)C2CCN(S(=O)(=O)c3ccc4c(c3)CC(C)N4C(C)=O)CC2)cc1OC
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}