Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) c1ccc(-n2cc(CN3CCCC3)c(-c3ccc4c(c3)OCO4)n2)cc1
(b) O=C1C(=O)N(CC2CCCO2)C(c2ccco2)/C1=C(/O)c1ccc(F)cc1
(c) CCOC(=O)/C(=N/Nc1ccccc1)Sc1nnc(CCc2ccccc2)n1-c1ccccc1
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}