Using CN1O[C@H]2N(C(=O)OC(C)(C)C)[C@H](C(=O)O)C[C@@]2(OC(=O)OC(C)(C)C)c2cccc(Cl)c21 to produce CN1OC2N(C(=O)OC(C)(C)C)[C@H](C(=O)O)C[C@@]2(OC(=O)OC(C)(C)C)c2cccc(Cl)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.