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 additional words.
Options:
(a) Cc1nsc(N)c1C(=O)O
(b) CCOc1ccc(NC(=O)CCn2ccnc2)cc1
(c) CSc1nnc2c3cc(F)ccc3n(C)c2n1
(d) CC(C)Cn1c(=O)c(C(=O)Nc2ccncc2)c(O)c2ccccc21
(e) Cc1cc(C(=O)N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)co1
Answer: e
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}