Using CC(C)(C)OC(=O)N1C2CCC1C(COc1nccc(C(F)(F)F)n1)C2 to produce FC(F)(F)c1ccnc(OCC2CC3CCC2N3)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.