Using CCCCOC(=O)N[C@H](CCNS(=O)(=O)c1ccc(C)cc1)C(=O)OC to produce COC(=O)[C@H](N)CCNS(=O)(=O)c1ccc(C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.