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(CCc1nc2ccccc2s1)Nc1ccccc1
b. Cc1cccc(N2C(=O)NC(=O)/C(=C/c3cc4c(cc3[N+](=O)[O-])OCO4)C2=O)c1
c. Cc1ccc2nc(SCc3cccc([N+](=O)[O-])c3)nc(C)c2c1
d. O=C(COC(=O)/C=C/c1ccccc1)Nc1cc(C(F)(F)F)ccc1N1CCOCC1
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}