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, or d without using any additional words.
Options:
a. COCCN1CCC[C@H]1Cn1nc(Cc2ccc(Cl)cc2)c2ccccc2c1=O
b. Cc1c(CNC2CCCC2)nn(-c2ncccc2Cl)c1-c1ccc(Cl)nc1
c. CC(C(O)c1ccc2c(c1)CCC(=O)N2)N1CCC(O)(c2ccc(F)cc2)CC1
d. NC(=O)Nc1cc(-c2ccc(CN3CCOCC3)cc2)sc1C(N)=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}
4-[(4-chlorophenyl)methyl]-2-[[(2S)-1-(2-methoxyethyl)pyrrolidin-2-yl]methyl]phthalazin-1-one