Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CO/N=C1\CN(c2nc3c(cc2F)C(=O)[C@H](C(=O)O)CN3C2CC2)CC12CNC2
b: CC(C)[C@@H](N)C(=O)N1CC(c2cc(F)ccc2F)=C[C@@H]1c1ccccc1
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}
(3R)-1-cyclopropyl-6-fluoranyl-7-[(8Z)-8-methoxyimino-2,6-diazaspiro[3.4]octan-6-yl]-4-oxidanylidene-2,3-dihydro-1,8-naphthyridine-3-carboxylicacid