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 other words.
Options:
a. CCN1CCN(c2cc3[nH]c(SC(C)(C)C)nc3cc2Cl)C(C)C1
b. N#Cc1ccc(OCCN2CC3CN(CCNS(=O)(=O)Cc4ccccc4)CC(C2)O3)cc1
c. O=C(Nc1ccccc1)N(c1ccc(Br)cc1)C1CCN(C2CCCC2)CC1
d. O=C1COc2ccc(CNC34CCC(C[C@]5(O)Cn6c(=O)ccc7ncc(F)c5c76)(CC3)OC4)nc2N1
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}
2-tert-butylsulfanyl-5-chloranyl-6-(4-ethyl-2-methyl-piperazin-1-yl)-1H-benzimidazole