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 additional words.
Options:
[a] CCNC(=O)c1ccc(C(=O)NCCC2CCN(c3ncnc4cc(C(N)=O)sc34)CC2)s1
[b] O=C(CCCN1CC=C(n2c(=O)[nH]c3ccccc32)CC1)c1ccc(F)cc1
[c] O=C1COc2ccc(CNC34CCC([C@@H](O)Cc5c(F)cnc6ccc(OCCO)nc56)(CC3)OC4)nc2N1
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}
3-[1-[4-(4-fluorophenyl)-4-oxobutyl]-3,6-dihydro-2H-pyridin-4-yl]-1H-benzimidazol-2-one