Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CN1CCN(Cc2cn3cccnc3n2)CC1
[b] Cc1ccc(S(=O)(=O)N(CC(=O)O)Cc2ccccc2F)cc1
[c] Cc1ccc(NC(=O)NCCN2CCCCC2)cc1Cl
Answer: c
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}