Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C1OCc2cc(CCC3CCN(C(=O)Cc4ccc(-n5cnnn5)cn4)CC3)ccc21
[b] Cc1ccc(NC(=O)NS(=O)(=O)c2ccc(OCCCN3CCCCC3)cc2)cc1
[c] N#Cc1cnc(Nc2cc(NC[C@@H]3CNCCO3)c(C#CC3(O)CCCC3)cn2)cn1
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}
5-[2-[1-[2-[5-(tetrazol-1-yl)pyridin-2-yl]acetyl]piperidin-4-yl]ethyl]-3H-2-benzofuran-1-one