Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccc(CNC(=O)CN(Cc2ccc(OC)cc2)C(=O)CCC(=O)Nc2ccccn2)cc1
[b] CC(=O)c1ccc(N=C2NC(=O)C(CO)(CO)S2)cc1
Answer: 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}