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 additional words.
Options:
a) O=C(CSc1nc2ccccc2c(=O)n1-c1cccc(C(F)(F)F)c1)NC1CC1
b) O=C(O)C(=O)O.OC(COCc1ccc(Cl)cc1)CN1CC=C(c2ccccc2)CC1
c) O=C(Nc1ccccc1)Nc1cccc(NC(=O)Nc2ccccc2)c1F
Answer: b
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}