Using O=C(N[C@@H](CO)C(=O)O)c1ccccc1SSc1ccccc1C(=O)N[C@@H](CO)C(=O)O to produce CC(C)(C)OCC(NC(=O)c1ccccc1SSc1ccccc1C(=O)NC(COC(C)(C)C)C(=O)O)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.