Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) C[C@@H]1c2nnc(-c3nc(C(F)(F)F)ns3)n2CCN1C(=O)c1ccc(F)cc1
b.) CC(=O)OCOC(=O)CN(CC(=O)O)c1ccccc1OCCOc1ccccc1N(CC(=O)O)CC(=O)O
Answer: b
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}
2-[2-[2-[2-[[2-(acetyloxymethoxy)-2-oxoethyl]-(carboxymethyl)amino]phenoxy]ethoxy]-N-(carboxymethyl)anilino]acetic acid