Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(CN1C(=O)NC2(CCCCCC2)C1=O)c1ccc2c(c1)OCCO2
(b) COc1ccc(NC(=O)c2ccco2)cc1NC(=O)c1cccc(OC(C)C)c1
(c) CC(OC(=O)CC1CCCCC1)C(=O)Nc1ccc(F)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}