Using CC(=O)OCC1=C(C(=O)O)N2C(=O)[C@@H](N)[C@H]2SC1 to produce C=C1CS[C@@H]2[C@H](N)C(=O)N2[C@H]1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.