Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCn1cc(C2=NCC(C)O2)c2ccccc21
b. CCOC(=O)C1CCN(CCC(=O)Nc2ccc(C)c(C)c2)CC1
c. Cc1ccc(SCc2cc(=O)[nH]c(/N=C(\N)Nc3ccc(C)c(C)c3)n2)cc1
d. CCOc1ccc(CNC(=O)CCCc2cn(C)c3ccccc23)cc1OC
Answer: a, c, 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}