Using COCCOCCl, CC(C)(C)OC(=O)NS(=O)(=O)C1CC1 to produce COCCOCC1(S(=O)(=O)NC(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.