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)NC2(CCCC2)C1=O)N1CCN(S(=O)(=O)c2ccccc2[N+](=O)[O-])CC1
b: O=c1cc(C(F)(F)F)[nH]c(=S)n1-c1ccccc1
c: CN(C)C1(c2nnnn2-c2ccc(Cl)cc2)CCCCC1
d: COCCCNC(=O)CCCC(=O)NCCCOC
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}