Using CCN(CC)CC, COC(=O)c1cc(C(=O)[O-])cc(N2CCCC2)c1 to produce COC(=O)c1cc(C(N)=O)cc(N2CCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.