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, b, or c without using any additional words.
Options:
a: O=C1COc2ccc(CNC34CCC(CCc5c(F)cnc6ccc(OCC7CC7C(=O)O)nc56)(CC3)OC4)nc2N1
b: Cc1c([C@@H](O)CN2CCC3(CC2)CCN(c2ccc(C#N)nc2)C3)ccc2c1COC2=O
c: CCN1CCN(c2cc3[nH]c(SC(C)(C)C)nc3cc2Cl)C(C)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}
2-[[7-fluoro-8-[2-[4-[(3-oxo-4H-pyrido[3,2-b][1,4]oxazin-6-yl)methylamino]-2-oxabicyclo[2.2.2]octan-1-yl]ethyl]-1,5-naphthyridin-2-yl]oxymethyl]cyclopropane-1-carboxylic acid