Using O=C1NC(=O)c2ccccc21, Cc1ccc(S(=O)(=O)OCCOCCOCCOCCC(=O)OC(C)(C)C)cc1 to produce CC(C)(C)OC(=O)CCOCCOCCOCCN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.