Using CC(C)NC(C)C, CC(C)(C)OC(=O)N1CCCC1(C)C(=O)[O-] to produce COC(=O)C1(C)CCCN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.