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] CN1CCN(CCCN2c3ccccc3Sc3ccc(C(F)(F)F)cc32)CC1
[b] Cc1c([C@H](C)CN2CCN(C(=O)Cc3ccc(-n4cnnn4)nc3)CC2)ccc2c1COC2=O
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}
10-[3-(4-methylpiperazin-1-yl)propyl]-2-(trifluoromethyl)phenothiazine