Using O=C1NC(=O)c2ccccc21, Cc1ccc(S(=O)(=O)OCC2CCOC2)cc1 to produce O=C1c2ccccc2C(=O)N1CC1CCOC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.