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 additional words.
Options:
a) CC(C)[C@H](Oc1ccc(CNC(=O)[C@@H]2CCCN2C(=O)[C@@H](N)C2CCCCC2)cc1)C(=O)O
b) CN1CCC(COCc2cc(C(F)(F)F)cc(C3CC3)n2)(c2ccc(Cl)cc2)CC1
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}
2-[[4-(4-chlorophenyl)-1-methylpiperidin-4-yl]methoxymethyl]-6-cyclopropyl-4-(trifluoromethyl)pyridine