Using O=O, CC=CCC1CC(C(=O)OC)N(C(=O)OC(C)(C)C)C1 to produce COC(=O)C1CC(CCC(C)=O)CN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.