Using CC(C)(C)OC(=O)NCCCCNC(=O)COc1cccc(C(F)(F)F)c1 to produce NCCCCNC(=O)COc1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.