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 additional words.
Options:
a: c1ccc(-c2nnc(N3CCOCC3)nc2-c2ccccc2)cc1
b: Cc1ccc(-n2nnnc2-c2ccco2)cc1
c: CC(C)CNC(=O)c1ccccc1NC(=O)CN(c1ccc2c(c1)OCCO2)S(C)(=O)=O
d: O=C(CN(C(=O)c1csnn1)c1ccccc1F)NCc1ccccc1
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}