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) Cn1c(SCC(=O)Nc2ccc3c(c2)CCC3)nnc1C1CC1
b) O=C(NCc1ccncc1)C1CCC(=O)N(CCc2ccc(Cl)cc2)C1
c) Cc1ccc2c(CC(=O)OCC(=O)N(CC(C)C)c3c(N)n(Cc4ccccc4)c(=O)[nH]c3=O)coc2c1
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}