Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) Nc1cc(S(=O)(=O)C(F)(F)F)ccc1C(=O)O
(b) COc1ccc(S(=O)(=O)Cc2ccc(C(=O)N3CCN(c4ccc(Cl)cc4)CC3)o2)cc1
(c) C/C(=N\NC(=O)CSc1nc2ccccc2o1)c1ccc(O)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}