Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (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) CCS(=O)(=O)N1C[C@H](C(=O)Nc2ccc(Cl)cn2)[C@@H](C(=O)Nc2ccc(-n3ccccc3=O)cc2F)C1
(b) O=C(O)c1cnc2c(N3CCN(CCc4ccc(OCCCN5CCCCCC5)cc4)CC3)cccc2c1
(c) N#Cc1ccc(S(=O)(=O)NCCN2CC3CN(Cc4noc5ccccc45)CC(C2)O3)cc1
(d) CCn1cc(C2(c3cccc(-c4cncc(F)c4)c3)N=C(N)c3c(F)cccc32)cc(C)c1=O
Answer: a, b, 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}
(3R,4R)-3-N-(5-chloropyridin-2-yl)-1-ethylsulfonyl-4-N-[2-fluoro-4-(2-oxopyridin-1-yl)phenyl]pyrrolidine-3,4-dicarboxamide