Using C[C@@H]1CN(C(=O)OC(C)(C)C)CCN1c1nnc(Cl)c2ccccc12 to produce C[C@@H]1CNCCN1c1nnc(Cl)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.