Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C1NCc2c(-c3ccccc3Cl)nc(NN3CCOCC3)nc2N1c1c(Cl)cccc1Cl
(b) O=c1ccc2ncc(F)c3c2n1C[C@@]3(O)CC12CCC(NCc3cc4c(cc3Cl)OCCO4)(CC1)CO2
Answer: a
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-(2-chlorophenyl)-8-(2,6-dichlorophenyl)-2-(morpholin-4-ylamino)-5,6-dihydropyrimido[4,5-d]pyrimidin-7-one