Using CCNCC, Cc1ccc(S(=O)(=O)OCCOCCNC(=O)OC(C)(C)C)cc1 to produce CCN(CC)CCOCCNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.