Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(Nc1ccccc1C(F)(F)F)NS(=O)(=O)c1ccc(OCCCN2CCCCC2)cc1
(b) COc1cnc2c(NCc3nnc4ccc(-c5cc(C)ns5)nn34)ccnc2c1
(c) O=C(NC(c1ccc(Cl)cc1)c1ccc(Cl)cc1)[C@@H]1CC[C@@H](N2CCOCC2)C[C@H]1c1ccc(Br)cc1
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}
1-[4-(3-piperidin-1-ylpropoxy)phenyl]sulfonyl-3-[2-(trifluoromethyl)phenyl]urea