Using OCCN1CCOCC1, COC(=O)c1cccc(-c2ncc(O)cn2)c1 to produce COC(=O)c1cccc(-c2ncc(OCCN3CCOCC3)cn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.