Using CC(C)(C)OC(=O)Nc1ccc(NC(=O)[C@@H]2CCCN2C(=O)OCc2ccccc2)cc1 to produce Nc1ccc(NC(=O)[C@@H]2CCCN2C(=O)OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.