Using CCOC=C(C(=O)OCC)C(=O)OCC, CCN1C[C@H](C)NCC1=O to produce CCOC(=O)C(=CN1CC(=O)N(CC)C[C@@H]1C)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.