Using CCOC(=O)C(C)NCCCC(NC(=O)OC(C)(C)C)(NC(=O)OC(C)(C)C)C(=O)O to produce CCOC(=O)C(C)N1CCCC(NC(=O)OC(C)(C)C)(NC(=O)OC(C)(C)C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.