Using NC1CCN(C(=O)C(F)(F)F)CC1, O=Cc1ccc2c(c1)OCCO2 to produce O=C(N1CCC(NCc2ccc3c(c2)OCCO3)CC1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.