Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CC(C)Cn1c(=O)c2c(nc3n2CCCN3Cc2ccccc2)n(C)c1=O
b. CCOc1ccccc1N1CCN(C(=O)CNC(=O)c2ccc(OC)c(OC)c2)CC1
c. COc1ccc(Cc2noc(CN(C)CC3(N4CCOCC4)CCCCC3)n2)cc1OC
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}