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 other words.
Options:
(a) CC(C)[C@H](NC(=O)C1CC(=O)N(c2ccc3c(c2)OCO3)C1)C(=O)NC1CCCC1
(b) COc1ccc(-n2nc(C(=O)NCC(=O)NCc3ccccc3OC)c3ccccc3c2=O)cc1
Answer: a
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}