Using C1COCCO1, CN(C)C=C1C(=O)N(C(=O)OC(C)(C)C)C2C=CCC12 to produce CC(C)(C)OC(=O)N1C(=O)C(=CO)C2CC=CC21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.