Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cccc2c1N(C(=O)CSc1ccc(C(F)(F)F)cn1)CCC2
(b) COc1cc(C(=O)NC[C@@H](O)CN2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)ccc1N
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-(8-methyl-3,4-dihydro-2H-quinolin-1-yl)-2-[5-(trifluoromethyl)pyridin-2-yl]sulfanylethanone