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 other words.
Options:
[a] CCN(CC(O)Cn1c2ccccc2c2ccccc21)S(=O)(=O)c1ccc(C)cc1
[b] Cc1c(C(=O)N2CCCCC2)c(S(=O)(=O)Nc2ccc(F)cc2F)c(C)n1C
[c] COc1ccc(C(=O)Nc2ccc(-n3nncc3C(C)(C)C)cc2)cc1
[d] CN1c2ccc([N+](=O)[O-])cc2CC2(C(=O)NC(=O)NC2=O)C1c1ccccc1
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}