Using COC(=O)Oc1cc(Nc2ncnc3cc(N)ccc23)c(F)cc1C, O=C(O)CCN1CCOCC1 to produce COC(=O)Oc1cc(Nc2ncnc3cc(NC(=O)CCN4CCOCC4)ccc23)c(F)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.