Task: Please answer the multiple choice question.
Question: Which molecules are 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 additional words.
Options:
a COc1cc(CNC(=O)CCCC/C=C/C(C)C)ccc1O
b C[C@@H](CN(C)C)[C@](C)(O)Cc1ccc(Cl)cc1
c Cc1ncccc1C(=O)N1CC[C@H]([NH2+]Cc2cncn2Cc2ccc(C#N)cc2)C1=O
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}