Using COC(=O)[C@@H]1CCC[C@@H]2SCC[C@H](NC(=O)OC(C)(C)C)C(=O)N21 to produce CC(C)(C)OC(=O)N[C@H]1CCS[C@H]2CCC[C@@H](CO)N2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.