Using CC(C)(C)OC(=O)c1cc(Cl)c(F)cc1F, OCC1CCN(C(c2ccccc2)c2ccccc2)CC1 to produce O=C(O)c1cc(Cl)c(OCC2CCN(C(c3ccccc3)c3ccccc3)CC2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.