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] CCOc1ccc(C(=O)NCCCN(CC)CC)cc1
[b] CCOC(=O)N1CCN(CCC(=O)Nc2ccc(OC)cc2OC)CC1
[c] COc1ccc(OC)c(S(=O)(=O)NCC2CCCO2)c1
[d] O=S(=O)(NC1CCCCC1)c1cccc(-c2nnc(-c3ccccc3)o2)c1
Answer: a
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}