Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) CCCCc1oc2ccccc2c1C(=O)c1cc(I)c(OCC(=O)OCC)c(I)c1
(b) O=C(NC[C@H](O)CO)c1ccncc1Nc1ccc(I)cc1F
(c) Cc1nc(-c2nnc3n2CCN(C(=O)c2ccc(-c4cccs4)cc2)[C@@H]3C)co1
(d) CC1(C)[C@H](Nc2c(C(N)=O)cnn3cc(-c4cncnc4)cc23)CC[C@]1(C)N
(e) CCOC(=O)C1=C(CN2CCO[C@H](CCC(=O)O)C2)NC(c2nccs2)=N[C@H]1c1ccc(F)cc1Br
Answer: d
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}
4-[[(1R,3S)-3-amino-2,2,3-trimethylcyclopentyl]amino]-6-pyrimidin-5-ylpyrrolo[1,2-b]pyridazine-3-carboxamide