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 or b without using any additional words.
Options:
a.) C[C@H](c1nc(-c2ccc(Cl)cc2Cl)no1)[C@H](N)C(=O)N1CCCC1.O=C(O)C(F)(F)F
b.) C[NH+](C)CCCN1c2ccccc2Sc2ccc(Cl)cc21
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}
3-(8-chlorophenothiazin-10-yl)propyl-dimethylazanium