Using C1COCCN1, CC(C)(C(=O)c1ccc(F)cc1)N1CCOCC1 to produce CC(C)(C(=O)c1ccc(N2CCOCC2)cc1)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.