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, c, d, or e without using any other words.
Options:
(a) CCc1nc2ccccc2n1CC(=O)N1CCN(S(=O)(=O)c2cccc(C(F)(F)F)c2)CC1
(b) COc1ccc(-n2nc(C(=O)NCC(=O)NCc3ccccc3OC)c3ccccc3c2=O)cc1
(c) CCOC(=O)CN(C(=O)CSc1nnc(-c2ccc(OC)c(OC)c2)o1)c1ccc(F)cc1
(d) Cc1cc(C)cc(-n2c(SCC(=O)NCc3ccco3)nc3ccccc3c2=O)c1
(e) O=C1NC(=O)C2(Cc3ccccc3N3CCCC32)C(=O)N1
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}