Using CCOC(=O)C=Cc1cc2nc(Cl)nc(N3CCOCC3)c2s1 to produce CCOC(=O)CCc1cc2nc(Cl)nc(N3CCOCC3)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.