Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C(CN1C(=O)CSc2ncccc21)Nc1cccc(Cl)c1
b. O=C(CCN1C(=O)/C(=C/c2ccccc2F)SC1=S)N[C@@H](CO)Cc1ccccc1
c. COc1ccc2ccc(O)c(CN3CCN(S(=O)(=O)c4cc([N+](=O)[O-])ccc4C)CC3)c2c1
d. O=C(Nc1ccc(CN2CCOCC2)cc1)c1ccco1
Answer: a, b, c, d
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}