Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (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=C1COc2ccc(CNC3CCN(CCn4c(=O)ccc5ncc(Oc6cccnc6)cc54)CC3)nc2N1
(b) CC(C)[C@]1(C(=O)NCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)CC[C@@H](N2CCC(c3cncnc3)CC2)C1
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}
(1S,3R)-N-[[3,5-bis(trifluoromethyl)phenyl]methyl]-1-propan-2-yl-3-(4-pyrimidin-5-ylpiperidin-1-yl)cyclopentane-1-carboxamide