Using C[C@H]1CN(C(=O)OCc2ccccc2)CCN1C(=O)C1CCN(C(=O)OC(C)(C)C)CC1 to produce C[C@H]1CNCCN1C(=O)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.