Using CC(=O)c1cccc2c1C1(COc3cc4c(cc31)OCCO4)C(=O)N2C, CCOC(=O)OCC to produce CCOC(=O)CC(=O)c1cccc2c1C1(COc3cc4c(cc31)OCCO4)C(=O)N2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.