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, c, or d without using any other words.
Options:
(a) N#CCc1ccc(NCC(F)(F)c2ccccn2)c(F)c1CC(=O)NCCONC(=N)N
(b) Cc1cc(F)ccc1C1CCN(C[C@@H]2CCc3cccnc3[C@@H](O)C2)CC1O
(c) CNC(=O)Nc1ccc(-c2nc(N3CC4CCC(C3)O4)c3cnn(C4CCC5(CC4)OCCO5)c3n2)cc1
(d) COc1cc(C=Cc2nc3cc(S(C)(=O)=O)ccc3c(=O)[nH]2)ccc1-n1cnc(C)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}
2-[3-[[2,2-bis(fluoranyl)-2-pyridin-2-yl-ethyl]amino]-6-(cyanomethyl)-2-fluoranyl-phenyl]-N-[2-(carbamimidoylamino)oxyethyl]ethanamide