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 or b without using any other words.
Options:
a: Cc1ccc(-c2nc3cc(Br)cnc3nc2-c2ccc(C)cc2)cc1
b: CCOC(=O)C1=CC[C@H]2c3c(c4ccccc4n3C)C(=O)C1N2C(=O)OC(C)(C)C
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}