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 additional words.
Options:
a CC(C)Cn1c(N)c(C(=O)COC(=O)c2ccc([N+](=O)[O-])o2)c(=O)n(C)c1=O
b Cc1ccc(NC(=O)c2cccnc2)cc1C
c O=c1[nH]c2ccc(S(=O)(=O)N3CCCCC3)cc2[nH]c1=O
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}