Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<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)CC3F)nc2N1
b.) O=c1c2ccccc2c(Cc2ccc(Cl)cc2)nn1C[C@H]1CCCN1CCCCc1ccc(OCCCN2CCCCCC2)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}
6-[[[3-fluoranyl-1-[2-(2-oxidanylidene-7-pyridin-3-yloxy-1,5-naphthyridin-1-yl)ethyl]piperidin-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one