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) CN1CCN(c2ccccc2NC(=O)Cc2ccc(Cl)cc2)CC1
(b) Cc1cccc(-n2nc(CC#N)c(C#N)c2N)c1
(c) O=C(/C=C/c1ccco1)Nc1ccc2c(c1)OCCO2
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}