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 additional words.
Options:
a.) COc1ccc(CNC(=O)c2cc3c(=O)n4ccccc4nc3n(CC3CCCO3)c2=N)cc1
b.) O=C(NCc1ccccc1)NC1(C(=O)N2CCCC2)CCCCC1
c.) COc1ccc(-c2cc(C(F)(F)F)nc(SCC(=O)Nc3cc(C)on3)n2)cc1
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}