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, d, or e without using any other words.
Options:
(a) Cc1nc2ccccc2c(=O)n1-c1ccc(OC2CCN(C3CCC3)CC2)cc1
(b) CN1CCN(Cc2ccc3c(c2)Cc2c-3n[nH]c2-c2csc(C#CCNS(=O)(=O)c3ccccc3)c2)CC1
(c) CCNC1(C(N)=O)CCN(c2ncnc3c2nc(-c2ccccc2Cl)n3-c2ccc(Cl)cc2)CC1
(d) Cc1ncoc1-c1nnc(SCCCN2CCC3(CCCc4cc(Br)ccc43)C2)n1C
(e) CN(C)C(=O)[C@@H](c1ccc(-c2ccc(F)cc2)cc1)[C@H](N)C(=O)N1CC[C@H](F)C1.O=C(O)C(F)(F)F
Answer: b, c, d, e
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-(2-chlorophenyl)-9-(4-chlorophenyl)purin-6-yl]-4-(ethylamino)piperidine-4-carboxamide