Using CC(C)(C)OC(=O)N1CCC(C(=O)O)CC1, C1CCC(N2CCNCC2)C1 to produce CC(C)(C)OC(=O)N1CCC(C(=O)N2CCN(C3CCCC3)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.