Task: Please answer the multiple choice question.
Question: Which molecules are 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] COc1ccc(NC(=O)c2cccc(F)c2)cc1Cl
[b] OCCc1c[nH]c2cc(F)ccc12
[c] CCC(=O)N/N=C(\C)CC(=O)Nc1cccc([N+](=O)[O-])c1
[d] Cc1[nH]c2ccc(Br)cc2c(=O)c1CN1CCCCCC1
Answer: 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}