Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CN(C)c1nc2c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)ccnc2cc1C(F)(F)F
[b] Cc1c([C@@H](O)CN2CCC3(CC2)CC(=O)N(c2ccc(S(C)(=O)=O)cn2)C3)ccc2c1COC2=O
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-[[[1-[2-[6-(dimethylamino)-7-(trifluoromethyl)-1,5-naphthyridin-4-yl]ethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one