Task: Please answer the multiple choice question.
Question: Which molecules are 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 other words.
Options:
(a) CCOc1ccc(CCNc2cc(C)nc3ncnn23)cc1OCC
(b) CC(=O)NC(Cc1ccc(F)cc1)C(=O)NC1CCN(c2ncccc2[N+](=O)[O-])CC1
(c) CC(C(=O)N1CCc2ccccc21)N1CCN(Cc2ccc(Cl)cc2)CC1
Answer: 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}