Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (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(NC1CCN(Cc2cc3c(cc2Cl)OCO3)CC1)c1cc(=O)c2ccc(F)cc2o1
b O=C(c1ccc(F)cc1)c1ccc(F)cc1
c CCOc1cc(N)c(Cl)cc1C(=O)NCC1C[NH+](Cc2ccc(F)cc2)CCO1
Answer: a, 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}