Using CN(C)CC(CC1CCN(C(=O)OC(C)(C)C)CC1)CC1CCN(C(=O)OC(C)(C)C)CC1 to produce CN(C)CC(CC1CCNCC1)CC1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.