Using [N-]=[N+]=[N-], COC(=O)[C@H](CCSC)NC(=O)c1cccc(CCl)c1 to produce COC(=O)[C@H](CCSC)NC(=O)c1cccc(CN=[N+]=[N-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.