Using COc1ccc(CN2CCn3c(cnc3-c3ccccc3C(F)(F)F)C2)cc1 to produce FC(F)(F)c1ccccc1-c1ncc2n1CCNC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.