Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a C[NH+]1CC[NH+](CCCN2c3ccccc3Sc3ccc(C(F)(F)F)cc32)CC1
b CC(C)Oc1cc([C@@H](C2=CCC(=O)N=C2)C2=CN[C@@H](C(C)(C)O)C=C2)ccc1OC(F)F
Answer: b
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}
5-[(R)-[4-[bis(fluoranyl)methoxy]-3-propan-2-yloxy-phenyl]-[(2R)-2-(2-oxidanylpropan-2-yl)-1,2-dihydropyridin-5-yl]methyl]-3H-pyridin-2-one