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. O=C(NC1CCN(Cc2ccn(-c3ccc(C(F)(F)F)cc3)c2)CC1)NC(Cc1cnccn1)c1ccccc1
b. COc1ccc(-c2nnc(C(=O)N3CC(Oc4ccc(CN5CCCC56COC6)cc4)C3)o2)cc1
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}
1-(1-phenyl-2-pyrazin-2-ylethyl)-3-[1-[[1-[4-(trifluoromethyl)phenyl]pyrrol-3-yl]methyl]piperidin-4-yl]urea