Using CC(C)(C)OC(=O)N[C@@H]1C[C@H](CO)[C@@H](OC(=O)c2ccccc2)[C@H]1OC(=O)c1ccccc1 to produce N[C@@H]1C[C@H](CO)[C@@H](OC(=O)c2ccccc2)[C@H]1OC(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.