Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Nc1nc(N2CCNCC2)c2ccc(-c3ccco3)cc2n1
b. O=C(O)CN1CCC2(CC1)CCN(c1ccc(-c3nc4cc(C(F)(F)F)ccc4[nH]3)cn1)CC2
Answer: a, 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-[9-[5-[5-(trifluoromethyl)-1H-benzimidazol-2-yl]pyridin-2-yl]-3,9-diazaspiro[5.5]undecan-3-yl]ethanoicacid