Using CC(C)(C)OC(=O)N1CCC(O)CC1, COC(=O)Cc1cc(O)nc(C(F)(F)F)n1 to produce COC(=O)Cc1cc(OC2CCN(C(=O)OC(C)(C)C)CC2)nc(C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.