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, or d without using any additional words.
Options:
a. COC(=O)CCN(c1ccccc1)S(=O)(=O)c1ccc(OC)cc1
b. O=C(Cc1ccc(Cl)cc1)Nc1cccc(-c2nnc(-c3ccco3)o2)c1
c. COc1ccc(C[C@H]2CN3C(=NC[C@@H]3Cc3ccc(O)cc3)N2CCNC(=O)c2ccc(C)c(Br)c2)cc1
d. Cc1ccc(CN(C)C(=O)COC(=O)CSc2ccc([N+](=O)[O-])cc2)cc1
Answer: c
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}