Using CCCCCCCCCCCCCCCCNc1ccc(C(=O)C(C(=O)OCC)C(=O)OC(C)(C)C)cc1 to produce CCCCCCCCCCCCCCCCNc1ccc(C(=O)CC(=O)OCC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.