Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) N#CCc1nc(CSc2nc3ccccc3s2)cs1
(b) O=C(O)C(=O)O.OCCN1CCN(CC(O)COC(c2ccc(F)cc2)c2ccc(F)cc2)CC1
(c) COc1ccc(C(=O)CC(=O)C(=O)Nc2cccc(F)c2)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}