Using O=C(O)c1ncc[nH]1, COc1ccc(N2CCOCC2)cc1N to produce COc1ccc(N2CCOCC2)cc1NC(=O)c1ncc[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.