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 additional words.
Options:
[a] Cc1ccc(C)c(C(=O)c2ccccc2NC(=O)c2ccccn2)c1
[b] CC(=O)c1sc(NC(=O)COc2ccc(C(C)C)c(C)c2)nc1C
[c] COc1ccc(-c2cc(=O)c3cc(O)ccc3o2)cc1
[d] O=C(Nc1ccncc1)c1cccc(S(=O)(=O)N2CCCC2)c1
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}