Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=C(NC(=S)Nc1cccc([N+](=O)[O-])c1)c1ccco1
b. CN(CCCC1CCCC1)C(=O)CC1C(=O)NCCN1Cc1cccc(F)c1F
c. CN1CCN(C(=O)c2cc3c(C(F)(F)F)nn(C)c3s2)CC1
d. Cc1ccccc1C(=O)Nc1ccnn1C1CCN(C2CCSCC2)CC1
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}