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=c1nc(NC2CCN(Cc3ccc4c(c3)OCO4)CC2)c2cc(Cl)ccc2n1CC(F)(F)F
b) CNC(=O)CC[C@@H](CO)N(C)C(=O)c1ccc2c(c1)c1c(n2C)CC[C@@H](C2CCOCC2)C1
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}
4-[[1-(1,3-benzodioxol-5-ylmethyl)piperidin-4-yl]amino]-6-chloro-1-(2,2,2-trifluoroethyl)quinazolin-2-one