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 other words.
Options:
a. CCC[NH+]1C[C@H](CSC)C[C@@H]2c3cccc4c3C(C=N4)C[C@H]21
b. COCCCC/C(=N\OCC[NH3+])c1ccc(C(F)(F)F)cc1
c. CCCS(=O)CCC[NH+](CC)CC(O)COc1ccc(C#N)cc1
Answer: a, 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}