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. CN1C(=O)/C(=C\c2ccccc2F)Sc2ccc(C(=O)NC3CCN(Cc4ccccc4)CC3)cc21
b. CCOC(=O)C1=C(CSc2nnnn2C)N(C)C(=O)NC1c1ccccc1
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}