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