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. NC(=O)N1c2ccccc2C=Cc2ccccc21
b. O=C(NC1CCN(Cc2cc3c(cc2Cl)OCO3)CC1)c1cc(=O)c2ccc(F)cc2o1
c. C[NH+](C)CCCN1c2ccccc2Sc2ccc(Cl)cc21
Answer: b, c
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}