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, b, or c without using any other words.
Options:
(a) NC(=O)c1cnc(-c2cnc3c(Nc4ccc(C(F)(F)F)cn4)ccnc3n2)c(C(F)(F)F)c1
(b) C[C@]12CCC3[C@@H](CC[C@H]4NC(=O)C=C[C@]34C)[C@@H]1CC[C@@H]2C(=O)Nc1cc(C(F)(F)F)ccc1C(F)(F)F
(c) C[C@@H](c1ccc(-c2cccc(-c3noc(=O)[nH]3)c2)cc1)[C@H]([NH3+])C(=O)N1CC[C@H](F)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}
5-(trifluoromethyl)-6-[8-[[5-(trifluoromethyl)pyridin-2-yl]amino]pyrido[2,3-b]pyrazin-3-yl]pyridine-3-carboxamide