Using Nc1cccc(N2CCOCC2)c1, COc1cccc2cc(C(=O)O)c(=O)oc12 to produce COc1cccc2cc(C(=O)Nc3cccc(N4CCOCC4)c3)c(=O)oc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.