Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) O=C(NCc1ccc(F)cc1)N(c1ccc(Cl)cc1)C1CCN(Cc2ccncc2)CC1
(b) CC(C)OC[C@H](Oc1ncnc2c1cnn2-c1ncccc1Cl)C(=O)Nc1ccc(C#N)cn1
(c) CCCOCCn1c(=O)c(N2CCN([C@@H](C)[C@@H](C)O)CC2)nc2cnc(-c3ccc(OC)nc3)cc21
(d) COc1ccc2ncc(=O)n(CCN3CC[C@H](NCc4cc5c(cn4)OCCO5)[C@@H](F)C3)c2c1
Answer: a, c
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-(4-chlorophenyl)-3-[(4-fluorophenyl)methyl]-1-[1-(pyridin-4-ylmethyl)piperidin-4-yl]urea