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 additional words.
Options:
a) O=C(Nc1c2c(nn1-c1ccc([N+](=O)[O-])cc1)CS(=O)(=O)C2)c1ccco1
b) O=C(CSc1nncc2ccccc12)N1CCOCC1
c) Cc1ccc(CS(=O)(=O)CCC(=O)NCc2ccccc2Cl)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}