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. CCOc1ccc(Cc2nn[nH]n2)cc1
b. COc1ccc(O)c(CN2CCCC(N3CCN(c4ccc(F)cc4)CC3)C2)c1
c. Cc1cc(C)n(CCC(=O)N=Nc2c(O)[nH]c3ccccc23)n1
Answer: b
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}