Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1cc(C)c(NC(=O)CSc2nc3c(c(=O)n2C)SC(C)C3)c(C)c1
b. CCOC(=O)c1sc2nc(C(C)C)c3c(c2c1N)CC(C)(C)OC3
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}