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] CCCCCC(=O)NC(=S)NNC(=O)c1ccc([N+](=O)[O-])cc1
[b] O=C1CCCc2c1[nH]c1ccccc21
[c] CCCCOc1ccc(C2C(=O)N(C3CCCCC3)CC(=O)N2CC2CCCO2)cc1
[d] CCCCn1c(=O)n(Cc2nnc(-c3ccccc3)o2)c(=O)c2c1ncn2C1CCCC1
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}