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) CCCCc1ccc(NC(=O)N[C@H](C(=O)O)C(C)C)cc1
b) O=C(CSc1nccn(-c2ccc(Br)cc2)c1=O)NC1CCCC1
c) COc1ccccc1CNC(=O)CC(C)c1ccccc1
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}