Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) C#CC[NH+](C)[C@H](C)Cc1ccccc1
b.) COc1cc(CNC(=O)CCCC/C=C/C(C)C)ccc1O
c.) CC(CN1c2ccccc2Sc2ccc(C#N)cc21)C[NH+](C)C
Answer: a
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}