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] CN(C)CCn1ncc2cc(-n3ccc(OCc4ccccc4)cc3=O)ccc21
[b] O=C(O)CC1CCC2(CC1)CCN(c1ccc(-c3nc4cc(C(F)(F)F)ccc4[nH]3)cn1)CC2
[c] CNC(=O)c1ccc2c(C(=Nc3cccc(CN(C)C)c3)c3ccccc3)c(O)[nH]c2c1
[d] N#Cc1cccc(CCN2CCN(C(=O)Cc3ccc(-n4cnnn4)cc3)CC2)c1
Answer: a, b, d
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-[3-[5-[5-(trifluoromethyl)-1H-benzimidazol-2-yl]pyridin-2-yl]-3-azaspiro[5.5]undecan-9-yl]ethanoicacid