Using O=S(Cl)Cl, COc1ccc2cc(S(=O)(=O)N[C@@H](CCCNC(=N)N)C(=O)O)ccc2c1 to produce COc1ccc2cc(S(=O)(=O)N[C@@H](CCCNC(=N)N)C(=O)Cl)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.