Using CCOC(=O)[C@H](CCc1ccccc1)N[C@@H](Cc1ccccc1)C(=O)NCCc1scnc1C(=O)OCc1ccccc1 to produce CCOC(=O)[C@H](CCc1ccccc1)N[C@@H](Cc1ccccc1)C(=O)NCCc1scnc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.