Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) N#Cc1ccc2ccc(=O)n(CCN3CC[C@H](NCc4cc5c(cn4)OCCO5)[C@H](O)C3)c2c1
b) CCCNS(=O)(=O)c1cc(C(=O)N2CCC(CCN3C4CCC3CC(n3c(C)nc5ccccc53)C4)(c3cccc(F)c3)CC2)c(Cl)cc1F
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-[2-[(3R,4S)-4-(2,3-dihydro-[1,4]dioxino[2,3-c]pyridin-7-ylmethylamino)-3-hydroxypiperidin-1-yl]ethyl]-2-oxoquinoline-7-carbonitrile