Using CCOC(=O)C(=O)OCC, CCOC(=O)CN(CC(=O)OCC)Cc1ccccc1 to produce CCOC(=O)c1c(O)c(O)c(C(=O)OCC)n1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.