Using CCCC(=O)c1cc(C(=O)OCC)c(N(CC)C(=O)CC(=O)OCC)cc1C to produce CCCC(=O)c1cc2c(O)c(C(=O)OCC)c(=O)n(CC)c2cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.