Using O=C(O)c1ccc2nnn(O)c2c1, CCCC(=O)OCOC(=O)[C@H](O)C[C@H](N)Cc1ccc(-c2cccc(Cl)c2)cc1 to produce CCCC(=O)OCOC(=O)[C@H](O)C[C@@H](Cc1ccc(-c2cccc(Cl)c2)cc1)NC(=O)c1ccc2nnn(O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.