Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCOC(=O)c1nc2cc3n(c(C)c-2c1C)C(C)C(CC)=C3C.Cl
b. CCOC(=O)C1CCN(C(=O)CCc2nnc3ccc(N4CCN(C)CC4)nn23)CC1
c. COc1ccc(CNC(=S)NCc2ccc(F)cc2)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}