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 or b without using any additional words.
Options:
(a) CC(Oc1ccc(Cl)cc1Cl)C(=O)OCC(=O)c1c(N)n(C)c(=O)n(C)c1=O
(b) CN(Cc1ccco1)S(=O)(=O)c1cc(F)ccc1CN1C(=O)c2cccnc2C1=O
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}