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.) COc1ccc(CCn2c(=S)[nH]c3cc(C(=O)N4CCOCC4)ccc3c2=O)cc1OC
b.) CC1CC(C)(C)CC2(C1)NC(=O)N(CC(=O)Nc1nccs1)C2=O
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}