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 COc1ccccc1CNC(=O)[C@H](C)NC(=O)C1CCN(C(=O)[C@H](CCSC)NC(=O)OC(C)(C)C)CC1
b CCC(=Nc1ccc2c(c1)CCC2)c1c(O)n(C)c(=O)n(C)c1=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}