Using CCOC(=O)CC(=O)Cl, CCOC(=O)C1(C2(N)CC2)CC1 to produce CCOC(=O)CC(=O)NC1(C2(C(=O)OCC)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.