Using CCOC(=O)Cc1cccc(NC(=O)C(OC2CCOCC2)c2ccc(S(=O)(=O)C3CC3)cc2)n1 to produce O=C(O)Cc1cccc(NC(=O)C(OC2CCOCC2)c2ccc(S(=O)(=O)C3CC3)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.