Using CCOC(=O)CCc1ccc(Oc2ccc(N(CCOC)C(=O)OCc3ccccc3)cn2)cc1 to produce CCOC(=O)CCc1ccc(Oc2ccc(NCCOC)cn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.